"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 4786535 | Pompon A pompon with pull strings extending in opposite directions therefrom so that when alternately pulled in the directions of the strings, it is either pulled out of, and into, a hollow tubular handle and, in this manner, provided with a display or storage m... | 11/22/1988 |
| 4748058 | Artificial tree An artificial tree assembly, and a tree constructed therefrom, are provided. The assembly comprises a collapsible three-piece pole; a base member formed by the bottom of a box for storing the tree assembly and including a pole support member secured there... | 05/31/1988 |
| 4746022 | Collapsible three dimensional support structure A collapsible three dimensional support structure is provided which may be either free standing or adapted to hang from an overhead support. The structure has utility as an ornament or ornament support as well as general utility as a support rack. The str... | 05/24/1988 |
| 4661418 | Magnetic recording medium A magnetic recording medium comprising a magnetic recording layer formed on a non-magnetic substrate by depositing a ferromagnetic metal or alloy on the substrate, the recording layer containing oxygen atoms in such a manner that the ratio thereof gradual... | 04/28/1987 |
| 4659597 | Collapsible artificial Christmas tree An artificial Christmas tree is constructed in a manner to be transformable between a compact storage state and an erected state. The tree has an elongated trunk and a series of branch assemblies spaced upon its trunk. An upper collar is slidably disposed... | 04/21/1987 |
| 4503101 | Foldable, pop-open corner reflector decoy target articles A novel foldable and essentially self-opening, light weight, multi-panel ice which preferably is primarily useful as a collapsible, expendable or retrievable and reusable reflector type military decoy target, capable of reflecting microwaves, millimeter ... | 03/05/1985 |
| 4496615 | Collapsible plastic tree The present invention relates to an improved collapsible plastic tree and in particular to one comprising a plastic trunk having a plurality of holes, a plurality of collars disposed on the plastic trunk, a plurality of ribs movably mounted on the collars... | 01/29/1985 |
| 4492723 | Curvilinear polyhedral construction kit A construction kit for forming a variety of curvilinear faced polyhedrons all surfaces of which are arcuate and clusters of such polyhedrons from one or more of a variety of planar foldable polygonal components derived from arcuate lobed equilateral trian... | 01/08/1985 |
| 4379797 | Automatically expanding pop-up decoration An automatically expanding pop-up decoration for use in gift-wrapping a package is capable of assuming a compact folded orientation suitable for storage in a limited area, yet expands automatically upon application to a package so as to create a substanti... | 04/12/1983 |
| 4374877 | Automatically expanding pop-up decoration An automatically expanding pop-up decoration for use in gift-wrapping a package is capable of assuming a compact folded orientation suitable for storage in a limited area, yet expands automatically upon application to a package so as to create a substanti... | 02/22/1983 |
| 4331720 | Christmas tree A collapsible, artificial Christmas tree which folds away into a relatively thin box which serves as a stand for the tree when erected, the tree including a generally spiral coil of steel wire which is axially stretched between opposite ends of an assembl... | 05/25/1982 |
| 4319418 | Collapsible ornamental solids A versatile collapsible ornamental solid having a fully enclosed hollow interior is disclosed. The collapsible ornamental solid is cut from a single sheet of paper or similar material, folded and bonded, and encircled by an elastic band. Additionally, oth... | 03/16/1982 |
| 4209162 | Anti-splash device A device for mitigating the splashing of droplets of molten metal during the pouring of same into a mould comprises a strip or strips of material which form a system of polygonal cells. The device is for vertical location with the strips edgewise in the b... | 06/24/1980 |
| 4172913 | Artificial Christmas tree structure A telescoping artificial tree having a display stand and a centrally located base portion within the display stand and extending therefrom a support tube or rod surrounded by a plurality of tubing cylinders each having a support collar, with the cylinders... | 10/30/1979 |
| 4145731 | Simulated extendable and collapsible evergreen tree A simulated extendable and collapsible evergreen tree including a flat support sheet having a cut formed therethrough starting at a point removed from the center of the support sheet and proceeding inwardly of the sheet in a circular formation in an ever ... | 03/20/1979 |
| 4144364 | Christmas tree apparatus An artificial christmas tree apparatus includes a plurality of movable branches which are closeable and openable through the relative motion of an inner and outer tube arrangement which forms the trunk mechanism of the tree. Each branch includes a decorat... | 03/13/1979 |
| 4140823 | Foldable Christmas tree and branch holder therefor Artificial Christmas tree comprises a vertically extending trunk member and a plurality of branches having looped rear ends. Tree also includes a plurality of branch holders each including a central tubular member; a plurality of connecting arms integral ... | 02/20/1979 |
| 4130678 | Collapsible artificial Christmas tree A collapsible artificial Christmas tree having a telescopic mast mounted on a base, garland extending between the base and the top of the mast to form a generally conically-shaped configuration when in the erected position, the base being foldable to form... | 12/19/1978 |
| 4101697 | Cone like sheet for Christmas tree An artificial tree includes a vertical trunk and a number of elongated limb assemblies mounted about the circumference of the trunk so that the limb assemblies extend downwardly along and outwardly from the trunk to define a truncated cone. A frusto conic... | 07/18/1978 |
| 4093758 | Artificial Christmas tree with foldable branching and method of making same Artificial Christmas tree, including a trunk with a plurality of transversely extending axially spaced holes. A pivotal mounting member, preferably U-shaped, is press fitted into each hole with a front end portion of each extending outwardly from the trun... | 06/06/1978 |
| 4084015 | Cage ornament and card A greeting card which includes an ornament that can be folded into a three-dimensional bird cage, with small paper board birds that protrude partly from the sides, and which card can include a separate panel for containing a greeting that may be separated... | 04/11/1978 |
| 4055690 | Star ornament and card A greeting card includes a three dimensional hanging ornament comprising a star-like configuration that is erected in a unique manner after it has been punched out from the card. The card is oriented to provide a greeting message on one panel, which can b... | 10/25/1977 |
| 4054696 | Artificial and mechanical tree An artificial and mechanical tree which includes a pole member and a plurality of vertical, accordion-type limb sections is disclosed. Each of the tree limb sections has the tree limbs attached to a vertically collapsible and expandable tubular member whi... | 10/18/1977 |
| 4001964 | Polyhedral annular structures, and blanks therefor Folded structures which are polyhedrons of generally toroidal shape, movable to various different stable configurations, made up of a series of hinged trapezoids.... | 01/11/1977 |
| 3985924 | Artificial Christmas tree A Christmas Tree formed of collapsible sections of trunk and branches with electrical lights mounted in sockets on each branch. Electrical conductors run from a portable supply cord joining the base of the trunk through the trunk and branches with the ind... | 10/12/1976 |