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Class Information
Number: 52/721.2
Name: Static structures (e.g., buildings) > Shaft (i.e., elongated rigid structure) > Stone-like component (e.g., concrete, etc.) > Upright
Description: Structure wherein the longitudinal axis of the shaft is vertical when in its utilitarian position.


Sub-classes under this class:

Class Number Class Name Patents
52/722.1 Conduit 19
52/723.1 Having shell-like outer layer 38
52/721.3 Sustainer 16


Patents under this class:

Patent Number Title Of Patent Date Issued
7343718 Method for making multiple-part concrete pole Mar. 18, 2008
7240464 Connector for concrete poles Jul. 10, 2007
7055286 Modular post system and method of construction Jun. 6, 2006
6907706 Tower for wind power installations Jun. 21, 2005
6668511 Formwork for pillars Dec. 30, 2003
6449791 Prefabricated pier system Sep. 17, 2002
6382878 Multi-sectioned concrete support structure and method of manufacture May. 7, 2002
6367208 Composite foundation post Apr. 9, 2002
6286266 Tree styled monopole tower Sep. 11, 2001
6270052 Form for producing concrete columns with recessed rings Aug. 7, 2001
6048594 Filled composite structure Apr. 11, 2000
6032431 Device for forming framework of wooden building Mar. 7, 2000
5946880 Filament wound tubular column Sep. 7, 1999
5878546 Concrete reinforcing bar connector Mar. 9, 1999
5761875 Reinforced concrete pole with attachment mechanism Jun. 9, 1998
5720134 Post having plastic base Feb. 24, 1998
5555696 Filament wound architectural column Sep. 17, 1996
5119614 Concrete post reinforcing apparatus Jun. 9, 1992
4887691 Modular wall construction using posts and panels Dec. 19, 1989
4751804 Utility pole Jun. 21, 1988
4637186 Fence pole Jan. 20, 1987
4143859 Cement fence post Mar. 13, 1979
4009550 Modular piling system Mar. 1, 1977
3935689 Transmission line structure Feb. 3, 1976
3931772 Article of furniture and method of manufacture Jan. 13, 1976



 
 
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