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Class Information
Number: 52/741.2
Name: Static structures (e.g., buildings) > Processes > Stair
Description: Subject matter wherein the process comprises a method of construction of a staircase, riser, tread, etc.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6960273 |
Process for renovation of a staircase |
Nov. 1, 2005 |
| 6869553 |
Method for forming a precast brick riser |
Mar. 22, 2005 |
| 6845595 |
Method for constructing a balanced stair |
Jan. 25, 2005 |
| 6796090 |
Adjustable and reversibly securable terrace stairs |
Sep. 28, 2004 |
| 6568145 |
Mode of installation of a pre-manufactured stair balustrade |
May. 27, 2003 |
| 6539672 |
Telescopic seating system tier catch and method |
Apr. 1, 2003 |
| 6467234 |
Stairway system |
Oct. 22, 2002 |
| 6374562 |
Adjustably sizeable raised panel system for stairs and method for forming and installing same |
Apr. 23, 2002 |
| 6189272 |
Multi level vehicle service system |
Feb. 20, 2001 |
| 6115975 |
Stair system |
Sep. 12, 2000 |
| 6101770 |
Three-piece stair nosing |
Aug. 15, 2000 |
| 5787674 |
Method of installing laminate covered stair nosing |
Aug. 4, 1998 |
| 5644893 |
Method and apparatus for constructing multi-storey buildings |
Jul. 8, 1997 |
| 5632124 |
Circular stairway and method of making same |
May. 27, 1997 |
| 5613341 |
Modular staircase system |
Mar. 25, 1997 |
| 5605025 |
Deck assembly for retrofitting bleachers |
Feb. 25, 1997 |
| 5592801 |
Mobile stair system for pets and animals, method of making said mobile stair system |
Jan. 14, 1997 |
| 5592793 |
Router machine |
Jan. 14, 1997 |
| 5372466 |
Device to eliminate squeaks in floors and method |
Dec. 13, 1994 |
| 5371992 |
Device to eliminate squeaks in floors and method |
Dec. 13, 1994 |
| 5246640 |
Method of constructing a wall from pourable concrete material |
Sep. 21, 1993 |
| 4930273 |
Multilevel modular building with scissor stairs and method of assembly |
Jun. 5, 1990 |
| 4838005 |
Stairway apparatus and method of manufacture |
Jun. 13, 1989 |
| 4831706 |
Method of making spiral staircases |
May. 23, 1989 |
| 4722164 |
Non-linear stair |
Feb. 2, 1988 |
| 4722374 |
Method for fabricating wooden circular stair with balustrade |
Feb. 2, 1988 |
| 4593503 |
Adjustable stair guide and support |
Jun. 10, 1986 |
| 4589237 |
Stair module support and leveling construction |
May. 20, 1986 |
| 4583334 |
Modular carrier for stair tread |
Apr. 22, 1986 |
| 4527367 |
Spiral staircase |
Jul. 9, 1985 |
| 4413460 |
Method of assembling a spiral stair case |
Nov. 8, 1983 |
| 4367613 |
Stairs and method of making the same |
Jan. 11, 1983 |
| 4154032 |
Stairs and method of making the same |
May. 15, 1979 |
| 3994113 |
Stairs and railing system for multi-floored buildings and method of constructing same |
Nov. 30, 1976 |
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