Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 5078348 | Holder for displaying flat patterns in two or three dimensions The holder comprises a base together with an upright central post. The post carries thereon at least one pair of pivot carriers which are separately movable up and down the central post and clamped thereto at selected positions. Each of the pivot carriers... | 01/07/1992 |
| 5046885 | Hinged barricade with limiting bolt A plastic barricade is rigidized with limiting bolt and hinge so that it can be open to a fixed freestanding position of, for example, 40°. Downward or collision forces with the barricade are compensated by providing compression molded end walls in the r... | 09/10/1991 |
| 5042419 | Portable signalling device A portable signalling device is disclosed. The device comprises a housing having a longitudinal opening therein, a signal support slidably engaged in the longitudinal opening between a contracted position and an expanded position, and a clip on the housin... | 08/27/1991 |
| 5040321 | Quick set-up sign stand A quick set-up sign stand comprising first and second leg structures each having a non-circular circumferential locking central portion and ground-engaging portions, the leg structures pivotally mounted to face plates, the face plates secured in spaced ap... | 08/20/1991 |
| 5028031 | Sign and flag holder A sign support comprising a pair of pivot leg assemblies secured along the bottom on the respective sides of the sign, a receptor for a sign which removably locks the sign to the support and a flag staff support for securement to the edge of the sign are ... | 07/02/1991 |
| 5016372 | Road service sign A sign for attaching to a vehicle. In the illustrated embodiment, a flexible sign requesting road service has a sleeve which allows the sign to be readily attached to the antennae of the vehicle. A second sleeve receives a stiffening member to ensure the ... | 05/21/1991 |
| 5003912 | Interlocking stacking plastic barricades An interlocking stackable, plastic barricade includes two identical integrally molded plastic panels which are hinged to pivot around a common axis. Each panel includes at the left and right edges a pair of interlocking elements--one being a protrusion at... | 04/02/1991 |
| 4999938 | Convertible message sign A construction or emergency sign with a changeable message on its front surface. The sign has a diamond shape or a square shape and one or more flaps are secured along the central diagonal of the sign. The flaps are adapted to be releasably fastened to ei... | 03/19/1991 |
| 4999937 | Panel sign having ratchet hinge means There is provided a floor sign having a ratchet positionable hinge and replaceable signage. The hinge operates by frictionally engaging one side of the hinge integral with one panel and engaging the opposite side of the hinge, which is integral with the o... | 03/19/1991 |
| 4995186 | Inflatable warning sign An improved inflatable warning sign having a flashing light contained within the sign and a magnetic base to retain the sign to the roof or truck lid of a disabled vehicle. The sign as inflated is a prismatic triangele to maximize the visible rectangular ... | 02/26/1991 |
| 4986016 | Folding display frame with offset hub configuration A collapsible framework is constructed of rods pivotally joined at their ends to hubs to form a self-standing unit when expanded and to fold into a small set of nearly parallel rods when folded. In one embodiment in which the expanded frame forms an array... | 01/22/1991 |
| 4980984 | Highway signs and flags capable of being rolled up A flexible highway safety sign capable of being rolled up for storage and portability and mounting a high-way flag. The safety sign is useful with flexible frame members that allow the mounted sign to bend in response to winds and wind gusts without tippi... | 01/01/1991 |
| 4977697 | Foldable traffic barrier A traffic barrier composed of a unitary panel having a plurality of folds for permitting it to be folded into an A-frame composed of two message panels connected at an apex, the A-frame having a base. The folds in the unitary panel include: a center fold,... | 12/18/1990 |
| 4974815 | Plastic traffic barricade A plastic traffic barricade comprises two integrally molded, generally planar panel units each having two upstanding legs interconnected by a panel member and each having a hinge projection mating with a hinge projection on the other panel unit and a hing... | 12/04/1990 |
| 4959763 | Display frame system A display frame system comprises hexagonal or octagonal posts and strut assemblies which connect the posts to each other. The posts may be positioned in any of a variety of arrangements depending upon the available space and type of display to be erected.... | 09/25/1990 |
| 4953905 | Telescoping display device An elongate message holding device consisting of telescoping conical segments surrounded by a fluid-tight cylindrical housing. An axially, centrally located conical segment is provided with a clasp which can be used to hold a card or note upon which desir... | 09/04/1990 |
| 4949490 | Reinforced panel device This invention is concerned with a reinforced panel device which is useful in the display and furniture arts. The reinforced panel device consist of a base and a header. By placement of the header on the base the various panel sections which make up the b... | 08/21/1990 |
| 4942686 | Portable display system A display system includes a collapsible, rectangular frame having a plurality of rectangular box units. Each box unit includes rectangularly arranged sides which are defined by a pair of arms, joined to one another by a scissor connection. The top and bot... | 07/24/1990 |
| 4928415 | Folding sign An invertible, foldable sign formed of an integral blank synthetic resin material permits repeated folding and reversibility for display of multiple messages. The sign has opposite side panels joined by an integral resilient hinge, which panels are latcha... | 05/29/1990 |
| 4926294 | Portable exhibit display header A box-like display header that is foldable to a flat orientation for transportation and storage. The header is mountable to an upper portion of a display frame and may include a fluorescent lamp to illuminate the display frame or provide a back lighting f... | 05/15/1990 |
| 4922223 | Emergency identifier for vehicles An emergency-identifying apparatus for motor vehicles for displaying highly visible messages to approaching motorists. The apparatus includes a housing having an opening positioned in at least one side thereof, a rotatable member supported within the hous... | 05/01/1990 |
| 4905391 | Portable highway sign stand A tripod-type support is disclosed to releasably support a resiliently deformable highway sign in a stressed condition. Two front tripod legs carry medial brackets to support lower peripheral portions of a sign and the rearward leg in its upper part pivot... | 03/06/1990 |
| 4888894 | Stand for safety sign or the like A sign stand for supporting highway safety signs or the like. The stand includes a plurality of folding legs which support the stand on the ground. The legs support a socket having an open upper end to receive the mounting bracket formed at one corner of ... | 12/26/1989 |
| 4888895 | Portable display system The display system of the invention includes a collapsible, rectangular frame which includes plural, rectangular box units. Each box unit includes a top side, a bottom ride, right side, left side, front face and rear face. The top side, bottom side, right... | 12/26/1989 |
| 4878303 | Sign A portable sign apparatus has a changeable display and includes a frame having a pair of vertical frame members and a pair of horizontal frame members attached to the vertical frame members. A display portion is removably attached to the frame between the... | 11/07/1989 |
| 4875302 | Collapsible display sign The present invention provides a collapsible sign apparatus that is readily portable and usable for temporary applications, wherein the apparatus is formed with a pair of hinged leg-support frame members which are adjustable controlled from a folded mode ... | 10/24/1989 |
| 4866866 | Collapsible sign A collapsible portable sign is described having a pair of vertically disposed parallel laterally spaced apart legs connected together at their upper ends by means of a center piece, all of which can be formed from metal or plastic tubing. The legs are rel... | 09/19/1989 |
| 4864757 | Portable kit for erecting sign with rigid panel A portable sign kit includes components for quickly and conveniently erecting lightweight signs, e.g. real estate sales and similar signs. The components include an open wire frame with a prejecting mounting stud. A rigid sign panel is received within the... | 09/12/1989 |
| 4848263 | Throwable, multiple-sided, emergency traffic warning marker A throwable, multi-sided emergency traffic warning marker. The marker body comprises a plurality of traffic-warning display faces preferably arranged in a tetrahedral configuration. Traffic warning indicia are present on each face, imparting visibility th... | 07/18/1989 |
| 4825575 | Collapsible signpost A portable, collapsible post having at least two sections rotatably coupled together by a pair of hinges in end-to-end fashion. When one of the hinge pins is removed, the sections will rotate about the axis formed by the remaining hinge pin allowing the p... | 05/02/1989 |
| 4820231 | Mannequin device A portable mannequin includes a carrying case which may be unfolded to reveal the contents which include a collapsible mannequin form having a head form and a torso form that are foldable in the case and unfoldable to fit upon the case in an erect fashion... | 04/11/1989 |
| 4817319 | Collapsible sign A collapsible sign includes a web supported by a collapsible frame. The collapsible frame includes two vertical legs and a cross member releasably secured to the tops of the legs. Casings are formed along three edges of the rectangular web and enclose the... | 04/04/1989 |
| 4817318 | Demountable road sign A demountable road sign intended primarily for transient utilization includes a collapsible ground engaging support, a pivoted pantograph-type frame and a rolled, self-storing sign. The support preferably includes an elongate rod or similar structure whic... | 04/04/1989 |
| 4800663 | Collapsible display apparatus Display apparatus of expandable/collapsible form incorporating a framework which is erected and display support mounted on the framework defining a continuous support surface to which displays may be attached. A feature of the framework includes mounting ... | 01/31/1989 |
| 4796369 | Floor sign extension attachment A sign extension attachment for a self-standing floor sign having two panels (28) and (29) connected at their upper ends by hinge means (30) including a transverse handle (31), the attachment comprising a panel (10) having spreadable sleeve portions (18) ... | 01/10/1989 |
| 4791740 | Decorative display arch A device for displaying decorative articles such as photographs, greeting cards, or the like having five sections which are pivotably attached to one another for rotation about the pivot in adjacent parallel planes so that the sections may be shaped to co... | 12/20/1988 |
| 4792258 | Collapsible warning barricade apparatus A collapsible warning barricade apparatus for restricting access to a designated area by vehicular and pedestrian traffic in which at least an upstanding portion of the apparatus is capable of collapsing towards a substantially ground surface-hugging posi... | 12/20/1988 |
| 4790092 | Display sign A display sign has a panel supported on a horizontal arm which is cantilevered on a vertical post. A slot is formed in the horizontal arm and the panel is supported in the slot. The horizontal arm includes a pair of parallelly extending, spaced-apart chan... | 12/13/1988 |
| 4780349 | Display panel A display panel comprising a structural layer of rigid material having a plurality of holes extending therethrough, a plurality of laminate sections fastened to the structural layer in parallel relationship, a fastening material fastened to the structural... | 10/25/1988 |
| 4777751 | Portable illuminated signal person station A portable iluminated signal person station is disclosed having a first frame supported on legs and a second frame having legs pivoted to it. A person can stand on the platform and direct traffic. Signs, light and reflectors can be supported on the second... | 10/18/1988 |
