Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 4798545 | Electrical terminal receptacle and electrical component housing adapted for the same An electrical component housing assembly having a main housing body (2) containing a matrix (12) of receptacle cavities (34) being adapted to accommodate mating single receptacles (4) or mating double receptacles (6). The electrical receptacles include po... | 01/17/1989 |
| 4787862 | Apparatus for electrically connecting two audio components utilizing different sized conductors An apparatus for electrically connecting two audio components for transferring an audio signal between the components in which first and second connector blocks have first terminals for respectively connecting to the conventional terminals of the audio co... | 11/29/1988 |
| 4785378 | Loop-feed wiring arrangement for electric circuit breakers and switches Double-lug wiring assemblies are added to multipole electric circuit breaker load centers to allow for loop-feed connection between the load centers when employed within satellite power take-off facilities. The loop-feed arrangement results in a substanti... | 11/15/1988 |
| 4767360 | Electric contact sockets An electric contact socket (1), open at its longitudinal ends so as to be capable of receiving two aligned contact plugs (2, 3), comprises a metallic sleeve (4) provided with at least one longitudinal slot (5) which extends from one longitudinal end to th... | 08/30/1988 |
| 4758186 | Side connecting terminal block A side connection terminal block of the kind comprises a generally tubular stirrup member fixed relative to an insulating material body common to two connecting terminals and laterally accessible at each end from the outside of the body through a lateral ... | 07/19/1988 |
| 4743080 | Flat cable connector The invention is directed to a connector for two flat electrical cables having the same plurality of conduits. The electricity passes from one conduit to the corresponding conduit by way of a dielectric insert having a parallel array of conductive spring-... | 05/10/1988 |
| 4715337 | Engine ignition system with an insulated and extendable extender An ignition system of an engine has a coil which is spaced away from an igniter to protect the coil from heat of a combustion chamber and combustion gas leakage. The electrical connections between the coil and igniter of current design practice have not p... | 12/29/1987 |
| 4715832 | Current-carrying element In a building element of the special type which in addition to being provided with coupling means for mechanical intercoupling of the building blocks-contains current-carrying components placed in the electrically insulated building block (2). There are p... | 12/29/1987 |
| 4715830 | Wire strain relief and conductor retainer construction for telephone blocks The disclosure relates to an improved telephone connector block having quick clip contact element holder elements which support the contact elements in a given plane. The contact holder elements are modified so that they extend a greater distance outwardl... | 12/29/1987 |
| 4700271 | Terminal assembly for a panel board An improved terminal assembly for a panel board is disclosed which is simple in construction, easy to assemble and low in manufacturing costs. The panel board terminal assembly includes a bus bar mounted on support members formed of an electrically insula... | 10/13/1987 |
| 4676572 | Electrical contact retainer A retainer has tabs which hold a pin and socket in good electrical contact until a separation force applied to the pin and socket exceeds a predetermined amount and breaks or bends the tabs, thereby ensuring a predictable separation of the pin and socket ... | 06/30/1987 |
| 4662704 | Coaxial cable connection to a terminal strip A connecting arrangement comprises a crimp barrel which is crimped against the outer conductor of a coaxial cable and contains a shield wire to be connected to a wrap post of a terminal strip, and a holding device which engages the cable over the edge of ... | 05/05/1987 |
| 4653842 | Block type electrical terminal connector A block type electrical terminal connector, especially for use in aircraft nd spacecraft, has a pot-shaped housing of electrically insulating material permanently closed at its bottom and closable at its open top by a cover. A single piece contact bank for... | 03/31/1987 |
| 4591217 | Low insertion force connection arrangement A low insertion force connection arrangement for establishing a connection between at least two printed wiring boards each of the type including a plurality of printed wiring board terminals. The connection arrangement includes a plurality of connection s... | 05/27/1986 |
| 4591218 | Low insertion force connection arrangement A low insertion force connection arrangement for establishing a connection between at least two printed wiring boards, each including a plurality of terminals. The connection arrangement includes a plurality of connection springs each having a pivot point... | 05/27/1986 |
| 4591219 | Low insertion force connection arrangement A low insertion force connection arrangement for establishing a connection between at least two printed wiring boards each of the type including at least one printed wiring board terminal. The connection arrangement includes at least one connection spring... | 05/27/1986 |
| 4586774 | Electrical connector for armored cables A field-attachable electrical connector splices the conductors of two armored cables without hand soldering. The connector has a rigid hollow housing with axial passages at both ends that receive and locate the cables. Insulating end supports locate and s... | 05/06/1986 |
| 4585902 | Push-in electrical wire connector A push-in electrical wire connector for interconnecting at least two electrical wires includes a housing and a wire-clamping member mounted therein. The clamping member has apertures through each of which a respective conductor is insertable, and a resili... | 04/29/1986 |
| 4568138 | Electrical wire connector A connector for electrical wires of the same or different gauges comprising a flat narrow rectangular casing housing two or more electrically interconnected receptacle units arranged in line for receiving and cooperating with resilient means within the ca... | 02/04/1986 |
| 4545638 | Rib cage terminal A female electrical terminal for receiving round or square pins having at least one rib cage mounted on one end of a spine. The rib cage has at least two pair of curved cantilevered beams attached at one end to the spine and forming an acute angle with th... | 10/08/1985 |
| 4538874 | Modular jack assembly A modular telephone jack includes a receptacle housing with a first socket for receiving a modular telephone cord plug connector. A discrete jack contact connector is received in a second socket of the receptacle housing and establishes electrical connect... | 09/03/1985 |
| 4538879 | Movable fuse socket support for use on bus bars A movable fuse socket support including a fuse holder which is adapted to be attached to bus bars is provided on the underside of a socket plate with fastening means which cooperate with the bus bar to establish a firm connection between a separate contac... | 09/03/1985 |
| 4531797 | Electrical connection device with ready-access protected terminals On at least one of two walls (16) (17) a terminal (7) housing (21) has a rib (44) respectively (45) that causes lateral distortion of a tubular housing (38) (39) which is part of a cover (3) so that the head (11) of a bolt of the terminal is gripped. This... | 07/30/1985 |
| 4526431 | Connector with mechanism for coupling and uncoupling plurality of blocks A connector including at least two connector blocks, first connector block and second connector block, which may be employed to interconnect fiber optic cables or electrical cables. A pair of frame-like lugs on a housing of the first connector block are e... | 07/02/1985 |
| 4519287 | Output jack for electric guitar An output jack for an electric acoustic guitar is installed at a guitar body and is adapted to receive a first plug connected to one end of a first cable which couples an output tone signal of the guitar to an external power amplifier. The jack further co... | 05/28/1985 |
| 4514031 | Recoverable article A heat recoverable electrical connector has a tubular enclosure that is open at each end to receive respective elongate electrical conductors. The openings are such that the conductors are receivable in the connector by bringing them thereto in a translat... | 04/30/1985 |
| 4486636 | Break contact arrangement for pullout-type switchgear A break contact arrangement is disclosed. One piece spacers provided with angled-off arms determine the mutual spacing of contact segments and guide the contact segments within a holder comprising side walls and sheet metal covers. The contact segments ar... | 12/04/1984 |
| 4482198 | Shunt The subject shunt connector has an integral housing of rigid insulative material and a single terminal mounted therein. The housing defines a pair of parallel, spaced male or pin terminal receiving passages extending between front and rear faces, and a sl... | 11/13/1984 |
| 4482944 | Flexible light strip assembly A flexible light strip assembly includes a plurality of sockets and a pair of flexible conductive elements to which the sockets are attached. A pair of unitary, substantially identical electrical contacts are disposed in a 180° relationship or, alternati... | 11/13/1984 |
| 4478478 | Electrical apparatus with retaining means for a terminal screw A piece of electrical apparatus, such as a junction box, having a body of insulating material has at least one sleeve to receive and position the screw of a connecting terminal and, projecting into the sleeve, at least one resiliently deformable protubera... | 10/23/1984 |
| 4464006 | Wiring system for trucks with improved firewall connection system An electrical connection assembly for use at a firewall bulkhead for connecting the electrical conduits coming from one side of the firewall with those coming from the other side. A main connection panel has a unitary body of insulating material with a se... | 08/07/1984 |
| 4460238 | Electrical coupling The invention provides for electrical coupling pins 5 for interconnecting two opposed electrical cable terminals having sockets 3, at least one of said sockets having a male contact member with a tapered end portion. The coupling pins each include a hollow tub... | 07/17/1984 |
| 4452504 | Cross connection link for establishing the same phase between electrical terminal blocks A cross connection link which can establish several electrical connections between an elongated strip-shaped conductor and one or more bus bars in the recess of a terminal block has a series of neighboring L-shaped or U-shaped metallic distancing elements... | 06/05/1984 |
| 4445747 | Rib cage terminal A female electrical terminal for receiving round or square pins having a rib cage mounted on a spine. The rib cage has at least four pair of curved cantilevered beams attached at one end to the spine and forming an acute angle with the spine.... | 05/01/1984 |
| 4433891 | Support for current carrying member A bus bar is held at the peripheral portion of a molded plastic housing by means of a formed metallic support having a single tab along an edge thereof and a pair of spaced apart tabs along an opposite edge thereof. the support has an oval hole therein so... | 02/28/1984 |
| 4432594 | Clip-together interconnection busing clip for multiple fuse holder arrays A fuse holder clip for snap-in insertion into a parallel array fuse holder block features a terminal lug configured in the form of a right-angle strap of length such as to allow mechanical and electrical engagement to a similarly configured adjacent clip ... | 02/21/1984 |
| 4432038 | Circuit assemblies A circuit assembly comprises a planar substrate 10 supporting, on a surface 11, connectors 14 and modules 12, the connectors having a common bridging member secured to the substrate and permits movement of an electrical insulating block 15 of each connect... | 02/14/1984 |
| 4426124 | Feed through mandrel for submersible pump An electrical coupling particularly for submersible pumps serves as a barrier between high and low pressure zones and allows electrical cables to be connected through it. The coupling includes a jacket mounted in a housing. The jacket has at least one tap... | 01/17/1984 |
| 4420215 | Variable effective length cantilever contact and connector An electrical contact includes a contacting means for electrically connecting with a member inserted to engagement therewith and a support means for supporting the contacting means in position for such engagement. The support means includes at least one c... | 12/13/1983 |
| 4416499 | Electrical connector assembly An electrical connector assembly (10) consisting of a cover (12) and a base (14) adapted to be interfit and secured together, with the base (14) carrying groove contacts (64) and the cover (12) pin shaped sleeve contacts (68), each positioned within a gro... | 11/22/1983 |
