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Class Information
Number: 182/198
Name: Fire escape, ladder, or scaffold > Ladder > Flexible > With spacer > Rung-attached
Description: Device attached to a rung.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6991550 |
Climbing steps for playground structure |
Jan. 31, 2006 |
| 6671897 |
Lift assisting device and stabilizing device for a bather and a shower, respectively |
Jan. 6, 2004 |
| 6530455 |
Escape ladder |
Mar. 11, 2003 |
| 6279681 |
Collapsible ladder having highly nesting rungs with integral stand-off projections |
Aug. 28, 2001 |
| 6135239 |
Fire escape ladder |
Oct. 24, 2000 |
| 6102155 |
Combined window and emergency escape ladder |
Aug. 15, 2000 |
| 5971105 |
Escape ladder |
Oct. 26, 1999 |
| 5605205 |
Readily deployable portable escape ladder |
Feb. 25, 1997 |
| 5467841 |
Escape window frame assembly |
Nov. 21, 1995 |
| 5372217 |
Emergency escape device |
Dec. 13, 1994 |
| 5018600 |
Extendible ladder |
May. 28, 1991 |
| 4867275 |
Escape ladder |
Sep. 19, 1989 |
| 4770373 |
Quick release ladder device for helicopters |
Sep. 13, 1988 |
| 4751982 |
Foldable ladder |
Jun. 21, 1988 |
| 4709783 |
Apparatus for installing escape device for slowly lowering a body |
Dec. 1, 1987 |
| 4595075 |
Collapsible ladder assembly |
Jun. 17, 1986 |
| 4475628 |
Landing net |
Oct. 9, 1984 |
| 4434871 |
Emergency escape ladder |
Mar. 6, 1984 |
| 4399891 |
Anchoring device for flexible ladder |
Aug. 23, 1983 |
| 4298097 |
Escape-ladder |
Nov. 3, 1981 |
| 4260038 |
Folding sawhorse frame |
Apr. 7, 1981 |
| 4157130 |
Fire ladder and method of constructing same |
Jun. 5, 1979 |
| 4143741 |
Portable escape ladder |
Mar. 13, 1979 |
| 4139079 |
Flexible stile or rope ladder for climbing poles or like members |
Feb. 13, 1979 |
| 4061092 |
Suspended shelf bracket |
Dec. 6, 1977 |
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