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Browse by Category: Main > Construction
Class Information
Number: D25/21
Name: Building units and construction elements > Structure > Having curved or vaulted roof > Concave, catenary or flexibly suspended
Description:










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
D625833 Performance shell Oct. 19, 2010
D370266 Inflatable emergency shelter May. 28, 1996
D369670 Inflatable emergency shelter May. 7, 1996
D305937 Opposed tower cable stay supported roof structure Feb. 6, 1990
D304240 Batting cage Oct. 24, 1989
D292936 Roof Nov. 24, 1987
4683689 Modular reinforced building structure and method Aug. 4, 1987
4581860 Saddle-shaped cable dome system for large span lightweight roof structures Apr. 15, 1986
4467571 Construction units and assemblies, and structures fabricated from such units and assemblies Aug. 28, 1984
D274842 Tower supported cable stay roof structure Jul. 24, 1984
D274841 A-Frame supported cable stay roof structure Jul. 24, 1984
4404980 Arched support structure with cover Sep. 20, 1983
D270570 Dual unit cable stay building Sep. 13, 1983
D270374 Combined motion picture and television studio building structure Aug. 30, 1983
D260036 Cable stay building Jul. 28, 1981
4155210 Process for building up towers, particularly water towers May. 22, 1979
D249961 Building Oct. 17, 1978
D249962 Reflector concentrator useful for solar energy Oct. 17, 1978
D249960 Building Oct. 17, 1978
D249959 Building Oct. 17, 1978
D249555 Building structure Sep. 19, 1978
D249557 Building structure Sep. 19, 1978
D249560 Roof structure Sep. 19, 1978
D249561 Roof structure Sep. 19, 1978
D249562 Roof structure Sep. 19, 1978
D249556 Building structure Sep. 19, 1978
D246990 Building Jan. 17, 1978
D246192 Building for dispensing ice cream Oct. 25, 1977
D245997 Solar building Oct. 4, 1977
D245339 Building structure Aug. 9, 1977
D245338 Building structure Aug. 9, 1977
D245337 Building structure Aug. 9, 1977
D245336 Building structure Aug. 9, 1977
D245175 Solar building Jul. 26, 1977
D245176 Solar building Jul. 26, 1977
D245177 Solar building Jul. 26, 1977
D245178 Solar building Jul. 26, 1977
D245179 Solar building Jul. 26, 1977
D245181 Solar building Jul. 26, 1977
D245182 Solar building Jul. 26, 1977
D245183 Solar building Jul. 26, 1977
D245180 Solar building Jul. 26, 1977
D242713 Building structure Dec. 14, 1976
D242714 Building structure Dec. 14, 1976
D242715 Building structure Dec. 14, 1976
D242716 Building structure Dec. 14, 1976
D242711 Building structure Dec. 14, 1976
D242717 Building structure Dec. 14, 1976
D242718 Building structure Dec. 14, 1976
D242719 Building structure Dec. 14, 1976

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