Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 4610330 | Drive-in manhole step construction Improvements in plastic coated, steel core reinforced manhole steps; particular improvements in the drive-in or hammer-in ends of a U-configuration manhole step construction, which improvements involve providing resilient, barb-like retainer elements in t... | 09/09/1986 |
| 4488843 | Reusable one piece drive fastener A fastener is disclosed which is installed quickly and easily the first time by simply driving a frangible drive pin. The drive pin has ribs which cooperate with grooves in an axially extending bore in the fastener body to limit distortion of the fastener... | 12/18/1984 |
| 4449877 | Peg for engagement in countersunk section of a bore The disclosure relates to a one-piece masonry dowel, pin or peg (10) for fitted implantation in a bore having an internal enlargement (24), a tool (31) for and method of making the enlargement (24), and a tool for implanting the peg in the bore. The peg (... | 05/22/1984 |
| 4390042 | Tube plug The tube plug comprises a shell having a tapered inner surface against which an externally tapered expander member moves by application of a pulling force. The motion of the expander member relative to the shell causes the shell to expand into contact wit... | 06/28/1983 |
| 4301706 | Grommets There is described a substantially cylindrical screw grommet capable of accepting a threaded fastener driven obliquely with respect to the axis of the grommet, the exterior surface of the grommet being formed with axial rows of spaced barbs, the rows bein... | 11/24/1981 |
| 4278006 | Expansion shell assembly An expansion anchor for a mine roof support bolt having a one-piece shell, a tapered nut and a strap for maintaining the shell and nut in assembled relation. The shell includes a circular collar having four fingers extending therefrom in a generally cylin... | 07/14/1981 |
| 4275637 | Fastening element assembly A fastening element assembly for insertion into a prepared borehole is made up of a tie bolt and an expanding wedge. The tie bolt has a C-shaped flange formed on its trailing end which projects radially and circumferentially from the tie bolt. The project... | 06/30/1981 |
| 4259890 | Removable anchor assemblies A removable anchor assembly has an elongated hollow tube including integral upper and lower portions with at least the lower portion exhibiting resilience to lateral deflection of segments of the walls thereof. The lower portion normally changes in a diam... | 04/07/1981 |
| 4249835 | Mine roof support plate A support plate for a mine roof including a substantially flat body engageable with the mine roof, the body having an enlarged central opening through which are passed one end of a roof bolt on which is threaded an expansion shell which is inserted into a... | 02/10/1981 |
| 4238987 | Expansion dowel for spaced mounting of parts on a support structure An expansion dowel has an axially extending sleeve-like expansion member with a first portion arranged to be inserted into a bore hole and a second portion arranged to extend axially from the bore hole. A stop member is securable on the second portion for... | 12/16/1980 |
| 4233881 | Wall fastener structure A wall fastener structure which is particularly adapted for use with plasterboard walls can be constructed so as to use an expansion member and an expanding member. The expansion member is preferably a unitary article formed out of a somewhat resilient po... | 11/18/1980 |
| 3986429 | Expansion dowell with circumferentially extending protrusions An expansion dowel includes an axially extending sleeve with an axially extending slot in the sleeve. The sleeve has protrusions extending generally circumferentially around and outwardly from the outer surface of the sleeve. At least some of the protrusi... | 10/19/1976 |
| 3941028 | Mine roof expansion anchor An expansion bolt assembly of the type used in supporting mine roofs including an expansible shell having a tapered plug movable axially therein to force the outer surface of the shell into engagement with the interior of a drilled opening in the mine roo... | 03/02/1976 |
