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Class Information
Number: 52/666
Name: Static structures (e.g., buildings) > Openwork; e.g., truss, trellis, grille, screen, frame, or rebar chair > Fabric or lattice; e.g., indeterminate grating > Intersecting strips or strands > Face-to-face slats, edges coplanar
Description: Structure including sets of relatively thin, flat, elongated members arranged in parallel relationship with their major faces opposed and spaced and their terminal edges coplanar.










Sub-classes under this class:

Class Number Class Name Patents
52/668 Interfitted edge slot 128
52/667 Slat orifice encompasses slat 118


Patents under this class:

Patent Number Title Of Patent Date Issued
7596921 Stud spacer with interlocking projections Oct. 6, 2009
7418804 Floor structure Sep. 2, 2008
6763642 Grid for a suspended ceiling Jul. 20, 2004
6751916 Decorative structure with slotted grid and detachably secured tiles Jun. 22, 2004
6446407 Grid tee with integrally stitched web Sep. 10, 2002
6374560 Plastic batten shutter Apr. 23, 2002
6332299 Connector for multiple member frame systems Dec. 25, 2001
6170216 Grid structure Jan. 9, 2001
5964072 Construction framework with intercrossing beams Oct. 12, 1999
5177923 Ceiling louver assembly Jan. 12, 1993
5174090 Grid ceiling Dec. 29, 1992
5133123 Security gratings and methods of making bars therefor Jul. 28, 1992
5018332 Grating May. 28, 1991
4937994 Counter ceiling comprising a suspended supporting skeleton Jul. 3, 1990
4928471 Grating construction May. 29, 1990
4897299 Grating of fiber reinforced plastic Jan. 30, 1990
4761930 Grating system Aug. 9, 1988
4678487 Laminar flow clean room having improved filter bank Jul. 7, 1987
4628645 Portable deck Dec. 16, 1986
4601153 Suspended ceiling system Jul. 22, 1986
4531857 Prefabricated pavement module Jul. 30, 1985
4531859 Prefabricated pavement module Jul. 30, 1985
4422272 Cosmetic cover for channelled type grid systems Dec. 27, 1983
4409770 Vacuum insulation spacer Oct. 18, 1983
4337708 Railway car superstructure frame Jul. 6, 1982
4220099 Pallet Sep. 2, 1980
4184300 Decorative building panel Jan. 22, 1980
4161274 Door panel for mail box unit Jul. 17, 1979
4115970 Grid ceiling trim intersection cap Sep. 26, 1978
4062166 Support grating for equipment boxes Dec. 13, 1977
4047348 Ceiling support grid system Sep. 13, 1977
4011703 Building element for making insulating panels and panels assembled therefrom Mar. 15, 1977











 
 
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