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Class Information
Number: 52/632
Name: Static structures (e.g., buildings) > Shaft or openwork, axially extensible
Description: Structure comprising a structure including a rigid elongated member in the form of a shaft or openwork wherein a section thereof is mounted for movement relative to another to lengthen or shorten the structure without collapse or disassembly.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7310915 |
Retractable column and method of forming |
Dec. 25, 2007 |
| 7278245 |
Radial-hinge mechanism |
Oct. 9, 2007 |
| 7111745 |
Boom for a load handling machine |
Sep. 26, 2006 |
| 7028442 |
Deployable truss beam with orthogonally-hinged folding diagonals |
Apr. 18, 2006 |
| 6871470 |
Metal stud building system and method |
Mar. 29, 2005 |
| 6820377 |
Portable mobile unit for producing panels designed generally for building |
Nov. 23, 2004 |
| 6591570 |
Architectural post and beam system |
Jul. 15, 2003 |
| 6499266 |
Truss construction |
Dec. 31, 2002 |
| 6494005 |
Telescopic linear actuator |
Dec. 17, 2002 |
| 6446408 |
Collapsible pole |
Sep. 10, 2002 |
| 6233877 |
Portable safety anchor |
May. 22, 2001 |
| 6112474 |
Retractable web column |
Sep. 5, 2000 |
| 6108985 |
Slide mount for telescopic parts |
Aug. 29, 2000 |
| 6047504 |
Connector plate for lumber |
Apr. 11, 2000 |
| 6035586 |
Organic rafter having slideable rafter tail |
Mar. 14, 2000 |
| 5927038 |
Expandable self-locking frame |
Jul. 27, 1999 |
| 5857293 |
Flexible formwork assembly |
Jan. 12, 1999 |
| 5845451 |
Telescoping polygonal figure |
Dec. 8, 1998 |
| 5669188 |
Lining board with a support with an approximately U-shaped cross section |
Sep. 23, 1997 |
| 5655336 |
Telescopic light metal form board |
Aug. 12, 1997 |
| 5624046 |
Telescopic rods for a crane |
Apr. 29, 1997 |
| 5584158 |
Architectural support |
Dec. 17, 1996 |
| 5540021 |
Fun floors |
Jul. 30, 1996 |
| 5540017 |
Telescopic flagpole |
Jul. 30, 1996 |
| 5515654 |
Telescopic boom apparatus |
May. 14, 1996 |
| 5435509 |
Antenna stand |
Jul. 25, 1995 |
| 5423158 |
Vertically erected mast |
Jun. 13, 1995 |
| 5379566 |
Adjustable-height post |
Jan. 10, 1995 |
| 5329744 |
Handy T |
Jul. 19, 1994 |
| 5308029 |
Antenna stand |
May. 3, 1994 |
| 5303527 |
Removable pool cover support apparatus |
Apr. 19, 1994 |
| 5279084 |
Movement mechanism of telescopic column |
Jan. 18, 1994 |
| 5271195 |
Adjustable grate |
Dec. 21, 1993 |
| 5249396 |
Extensible and contractible mast |
Oct. 5, 1993 |
| 5234188 |
Structural supporting system for concrete construction forms |
Aug. 10, 1993 |
| 5228251 |
Extendable pole |
Jul. 20, 1993 |
| 5172534 |
Chainable building blocks |
Dec. 22, 1992 |
| 5163262 |
Collapsible structure |
Nov. 17, 1992 |
| 5152659 |
Boom assembly for work machine |
Oct. 6, 1992 |
| 5094046 |
Deployable mast |
Mar. 10, 1992 |
| 5079884 |
Extendible interconnected Z-studs |
Jan. 14, 1992 |
| 5062245 |
Telescopic beam |
Nov. 5, 1991 |
| 5035094 |
Nested extension/retraction structure and method of fabrication |
Jul. 30, 1991 |
| 4957186 |
Span-adjustable open-web support bracket |
Sep. 18, 1990 |
| 4936067 |
Stud extender interlock and method of erection |
Jun. 26, 1990 |
| 4922666 |
Porch with recessible windows |
May. 8, 1990 |
| 4918896 |
Telescopic flagpole |
Apr. 24, 1990 |
| 4866892 |
Extensible structure |
Sep. 19, 1989 |
| 4866893 |
Extensible mast |
Sep. 19, 1989 |
| 4864784 |
Mast extending and rotating apparatus |
Sep. 12, 1989 |
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