Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5086465 | Armored telephone cord retention bracket A bracket for mounting within a telephone paystation to retain a telephone handset armored cable of the type including a central cable terminated at at least a first end in a stop secured to said cable, and with an armored sheath encircling said cable.... | 02/04/1992 |
| 5086463 | Vandal-resistant communications station A vandal-resistant telephone communications station having a one-piece face plate enclosure with a speaker phone aperture and a plurality of additional apertures therein. A plurality of call push-buttons and an answer push-button are respectively carried ... | 02/04/1992 |
| 5022075 | Mechanical assembly for ensuring electrical safety in a telephone set or terminal The mechanical safety assembly for a telephone set having a housing with a cover including a sliding lock for closing the cover (7). The lock includes an operating head (13) external to the body (1) of the telephone set or terminal. The head fits flush wi... | 06/04/1991 |
| 5020103 | Adjustable height mounting pedestal for public and coin telephones An adjustable height mounting pedestal for public or coin telephones comprises a tubular post having a plurality of knockouts at varying heights ranging from a drive-up curbside height to a standard handicap access height. A backboard mounting enclosure i... | 05/28/1991 |
| 5012513 | Telephone handset cover A telephone handset cover 10 for covering a conventional telephone handset 1, typically of the type employed in public telephone facilities. Handset cover 10 is installed upon handset 1 with or without shank 16. Shank 16 may be a single piece or a plurali... | 04/30/1991 |
| 5011728 | Molding method for manufacture of a resin molded part A molding method for manufacture of a resin molded part having one or more flexibly movable, pushbutton-shaped thick projections formed integrally with a base through the intermediary of thin wall portions continued from the peripheral edges of the projec... | 04/30/1991 |
| 4964161 | Cover for a telephone handset A cover for a telephone handset includes a monolithic, one-piece body that has speaker-covering and earpiece-covering holes defined therein, and a speaker filter element and an earpiece filter element removably mounted on the body in covering relationship... | 10/16/1990 |
| 4953567 | Prophylactic device for use with a telephone A prophylactic device used in connection with a telephone which provides a telephone user with protection from indirect contact with previous users including a sleeve for covering the telephone receiver while in use and a detachable hand covering portion ... | 09/04/1990 |
| 4942748 | Security mechanism for telephone paystations A security mechanism for use in a telephone paystation upper housing consisting of a specialized latching mechanism which operates when a non-legal key combination is utilized to gain access to a paystation upper housing to inhibit unlocking of the upper ... | 07/24/1990 |
| 4940859 | Telephone cord take-up reel assembly A telephone cord take-up reel assembly having a take-up reel housing formed from a cover and a base member that is mounted on the wall of a room. A shaft is supported in the take-up reel housing and it passes through the inner hub of a take-up reel upon w... | 07/10/1990 |
| 4939778 | Telephone cord cover A protective handset cord cover is secured around a handset cord to prevent the handset cord from becoming tangled with itself. The cover is of sufficient length to accommodate a normal and customary stretched length of the handset cord so that the handse... | 07/03/1990 |
| 4907265 | Telephone set with a mechanism for preventing unwanted displacements An improved telephone set of the type including a telephone body and a handset adapted to be placed on the former wherein the telephone set includes features which prevents displacement of the handset from the telephone body. The telephone body has a pair... | 03/06/1990 |
| 4868876 | Electrostatic discharge protection device An electrically conductive network which, at one end, has a low-resistance connection with a user's hand and, at the other end, has a high-resistance connection with ground. This protects electrical equipment such as a telephone keyset from electrostatic ... | 09/19/1989 |
| 4862499 | Deformable membrane keypad assembly for public telephones A telephone keypad assembly including a one-piece deformable membrane for sealing the keypad assembly from the environment. The deformable membrane has an upper surface for mating with keypad pushbuttons and a keypad pushbutton housing unit, and a lower s... | 08/29/1989 |
| 4852163 | Telephone mouthpiece cover A cover for a telephone mouthpiece or earpiece. A single piece of frustocircular paperboard is forced into a cylindrical cavity whereby a cover is formed having a cap portion and a skirt portion. The diameter of the cap is about fifty-six millimeters so a... | 07/25/1989 |
| 4850006 | Booster and charger unit used for hand-held portable telephone and having overheat protection circuit A booster and charger unit for a hand-held portable (HHP) telephone capable of preventing a casing of the unit from being heated to an excessive temperature. The casing has thereinside a charging device for charging a battery, which is installed in the te... | 07/18/1989 |
| 4800587 | Telephone line protector with line disconnect and an entrance terminal assembly incorporating a plurality of protectors A housing for a telephone line protector comprises a well in which are positioned two spring biased members. A first spring biased member is adjacent to the back end of the well and biased away therefrom. The second spring biased member is axially aligned... | 01/24/1989 |
| 4736418 | Soft cover for telephone A removable, washable cover for a telephone handset comprises an outer fabric cover, suitably cotton, and an inner cushioning layer also preferably cotton having a cavity for receiving a telephone handset. An elongated opening is provided along the rear o... | 04/05/1988 |
| 4734679 | Pushbutton keyboard assembly A pushbutton keyboard assembly has a plurality of pushbuttons mounted over a circuit board. A circuit pattern on the circuit board has a plurality of switch positions and a pushbutton is aligned with each switch position. A cap fits over each pushbutton, ... | 03/29/1988 |
| 4679233 | Microphone This microphone includes a microphone element, speaker and antenna all internal to the microphone housing. These components are carried by a chassis that is fastened to the microphone body at its lower end which also provides the effective attachment poin... | 07/07/1987 |
| 4555600 | Vandal-resistant shield for telephone keypad A standard keypad comprises a rigid support plate having a front face and formed with an array of throughgoing apertures, respective push-buttons projecting at the apertures through the plate past the front face thereof, and a continuous flexible membrane... | 11/26/1985 |
| 4501936 | Protective cover for telephone A protective cover for the push-button array of a push-button telephone set having a planar surface through the push-buttons extend, comprise a flexible elastomeric sheet having at least one recessed portion with side walls forming a pocket which overlies... | 02/26/1985 |
| 4438300 | Protective cover for telephone push button array A protective cover is disclosed for the push button array of a push button dial telephone set. The cover comprises a flexible elastomeric sheet having a grid of upwardly-directed pockets, the lower-facing ends of which are open for snugly receiving and th... | 03/20/1984 |
| 4436965 | Sealing means for telephone cover device A gasket is disclosed for use in effectively sealing to communications equipment, a protective cover for a key-actuated switching array which projects through a generally planar surface on the equipment. The protective cover is of the type comprising a fl... | 03/13/1984 |
| 4288660 | Test cord for telephone circuits A test cord including a plug suitable for testing individual subscriber circuits, terminals of which appear on a protector block mounted on a telephone main frame. The cord includes a terminal plug adapted to engage the exposed end of a telephone circuit ... | 09/08/1981 |
| 4267411 | Public telephone security bracket An anti-theft bracket adapted for attachment to the back mounting panel of a public telephone booth housing and to engage the bottom portion of a public telephone unit attached to the back mounting panel including a bottom member adapted to receive the bo... | 05/12/1981 |
| 4246451 | Security mounting system for coin telephone A mounting stud latching system is provided for a coin telephone mounting post having spaced front and back walls and an intermediate mounting wall, with an opening in the front wall dimensioned to receive and closely surround the side walls of a coin tel... | 01/20/1981 |
| 4196319 | Vehicular telephone station set security pedestal A dual position mount is disclosed for mobile radio telephone sets. The base (11) of the mount is hollow and has an access port (28). The interior position (29) of the base serves as a secure receptacle for the mobile radio control unit when it is not bei... | 04/01/1980 |
| 4139741 | Phone guard for locking out long-distance calls A telephone lock for attachment to a telephone permits a user to dial local calls only with a first predetermined number of digits. Upon lifting a receiver/speaker from a cradle connected to the telephone lock, a counting device counts the first number of... | 02/13/1979 |
| 4109112 | Telephone isolation device A telephone isolation device having a latching relay operated switch in one of the telephone conductors which when the relay is actuated brings a voltage dividing branch circuit that includes a restoring coil of the relay into parallel with a subscriber's... | 08/22/1978 |
| 4086442 | Repertory diallers The present invention is a repertory telephone dialler in which the telephone numbers are stored on cards. Each card is assembled from individual pieces each representing one digit of the telephone number. Each card can be disassembled to rearrange or rep... | 04/25/1978 |
| 4079211 | Protection device for a subscriber's telephone set A protection circuit for a subscriber's telephone set which comprises a resistor applied in series with the subscriber's line to which resistor a threshold device is connected in parallel, a network being provided which comprises the control input and whi... | 03/14/1978 |
| 4071040 | Water-proof air-pressure equalizing valve A water-proof air-pressure equalizing valve for an enclosure capable of being pressurized to match a wide range of ambient air pressures including that corresponding to the pressure of several feet of water when totally submerged, such as the instrument h... | 01/31/1978 |
| 4062608 | Telephone handset cord storage apparatus A telephone handset cord storage apparatus utilizes a housing containing a shaft journaled therein. The shaft carries a reel for the storage of portions of the length of a telephone cord in multi-turn solenoid-like layers. The shaft is biased in a preferr... | 12/13/1977 |
| 4037067 | Anti-vandalism protective attachment device for a pay telephone A protective anti-vandalism device for a pay telephone. The device consists of an outer impact-resistant support member containing an annular raceway member having a reduced end portion engagable in the dial aperture of the telephone. A substitute disc-li... | 07/19/1977 |
| 4036548 | Grip assembly for attaching an electric cord to an electric appliance, and the like A grip assembly is provided for locking an electric cord or cable to an electric appliance, such as a telephone receiver, electric drill, lamp base, or the like. The grip assembly in one embodiment comprises a threaded split bushing which is threaded into... | 07/19/1977 |
| 3989902 | Alternating current regulator for use with telephone type line A regulator which can be used in combination with equipment connected to a telephone type line. The regulator senses the amount of direct current being passed by the line and adjusts its internal AC impedance in inverse relationship thereto. This will shu... | 11/02/1976 |
| 3962555 | Telephone handset guard A guard for a dial-in-handset telephone is disclosed which covers both the mouthpiece and the receiver as well as a portion of the handle. The guard prevents the spread of germs both to and from the receiver and mouthpiece of the telephone. Additionally, ... | 06/08/1976 |
