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Class Information
Number: 182/121
Name: Fire escape, ladder, or scaffold > Ladder and platform > Platform with ladder as support > Detachable step, single ladder > Plural rung-engaging
Description: Device in which the step or platform is attached to or engages a plurality of rungs of the ladder.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7077238 |
Ladder caddy |
Jul. 18, 2006 |
| 6942063 |
Extension ladder attachment |
Sep. 13, 2005 |
| 6926241 |
Roofmates.TM. roofing accessories |
Aug. 9, 2005 |
| 6848540 |
Ladder accessory holder |
Feb. 1, 2005 |
| 6793041 |
Ladder leveling device |
Sep. 21, 2004 |
| 6786300 |
Step attachment for ladders |
Sep. 7, 2004 |
| 6766880 |
Portable elevated observation apparatus |
Jul. 27, 2004 |
| 6761246 |
Methods and apparatus for mounting a work platform to a ladder |
Jul. 13, 2004 |
| 6688570 |
Extension ladder utility/tool tray |
Feb. 10, 2004 |
| 6681893 |
Ladder standoff device |
Jan. 27, 2004 |
| 6662902 |
Safety ladder scaffold |
Dec. 16, 2003 |
| 6637548 |
Personal stand and method of using a personal stand |
Oct. 28, 2003 |
| 6467577 |
Ladder mate |
Oct. 22, 2002 |
| 6454049 |
Electric lifting apparatus for use with a ladder |
Sep. 24, 2002 |
| 6431509 |
Paint can holder |
Aug. 13, 2002 |
| 6401862 |
Stepladder organizing assembly |
Jun. 11, 2002 |
| 6328130 |
Ladder accessories |
Dec. 11, 2001 |
| 6286624 |
Methods and apparatus for mounting a work platform to a ladder |
Sep. 11, 2001 |
| 6244383 |
Ladder scaffold device |
Jun. 12, 2001 |
| 6189652 |
Ladder platform |
Feb. 20, 2001 |
| 6148957 |
Ladder supported scaffolding |
Nov. 21, 2000 |
| 6148958 |
Ladder supported holding tray which extends outwardly from a ladder |
Nov. 21, 2000 |
| 6109392 |
Split platform ladder stand |
Aug. 29, 2000 |
| 6045102 |
Multi-purpose ladder and roof device |
Apr. 4, 2000 |
| 5950972 |
Ladder mounted container |
Sep. 14, 1999 |
| 5836420 |
Ladder platform device |
Nov. 17, 1998 |
| 5647452 |
Scafford jig |
Jul. 15, 1997 |
| 5465809 |
Safety platform attachment apparatus |
Nov. 14, 1995 |
| 5460241 |
Ladder accessory |
Oct. 24, 1995 |
| 5191954 |
Ladder rung supported combination platform and utensil rack |
Mar. 9, 1993 |
| 5181582 |
Scaffold for an a-frame ladder |
Jan. 26, 1993 |
| 5133525 |
Can support device |
Jul. 28, 1992 |
| 5094319 |
Ladder stand |
Mar. 10, 1992 |
| 5060755 |
Step ladder foot-platform |
Oct. 29, 1991 |
| 5052515 |
Ladder step support |
Oct. 1, 1991 |
| 5052581 |
Ladder-supported holding tray |
Oct. 1, 1991 |
| 5044466 |
Ladder platform |
Sep. 3, 1991 |
| 5031722 |
Extendable scaffold bracket |
Jul. 16, 1991 |
| 5020757 |
Ladder jack clamping devices |
Jun. 4, 1991 |
| 5005668 |
Ladder step support |
Apr. 9, 1991 |
| 4972923 |
Ladder platform |
Nov. 27, 1990 |
| 4951787 |
Elevator control and indicator device |
Aug. 28, 1990 |
| 4941547 |
Safety featured ladder scaffolding |
Jul. 17, 1990 |
| 4911265 |
Ladder platform with rung securing mechanism |
Mar. 27, 1990 |
| 4909351 |
Platform attachment for a ladder |
Mar. 20, 1990 |
| 4860855 |
Collapsible safety attachment for ladder |
Aug. 29, 1989 |
| 4804063 |
Auxiliary safety step for round ladder rungs |
Feb. 14, 1989 |
| 4770272 |
Safety attachment for ladder |
Sep. 13, 1988 |
| 4730697 |
Seat device for a ladder |
Mar. 15, 1988 |
| 4696373 |
Two-position ladder platform |
Sep. 29, 1987 |
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