US Patent Class 182
FIRE ESCAPE, LADDER, OR SCAFFOLD-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
1  DF  MEANS MAINTAINING STEP LEVER ON HORIZONTALLY PIVOTED LADDER
2.1  DF  MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT {2}
3  DF  TORSO HARNESS {5}
10  DF  INCLINED CABLE SUPPORTING CARRIER TRAVELING THEREALONG {1}
12  DF  HORIZONTAL TRAVERSING - ACTUATION, CONTROL, OR RESPONSE {3}
18  DF  WITH INDICATOR, SIGNAL OR ALARM
19  DF  AUTOMATIC CONTROL
20  DF  CONVERTIBLE {2}
36  DF  TRAVERSING, TRACK-MOUNTED {3}
40  DF  UPWARDLY EXTENSIBLE FLEXIBLE LADDER OR ESCAPE {1}
42  DF  ENDLESS CONVEYER ESCAPE {1}
45  DF  PITCHED ROOF CONFORMING SCAFFOLD
46  DF  WITH INSULATION {1}
48  DF  CHUTE OR ESCAPE TOWER FOR PERSONNEL {1}
50  DF  WITH PROJECTOR OR PROJECTILE
51  DF  WITH FLUID HANDLING {1}
53  DF  DETACHABLE WINDOW SEAT TYPE {4}
62.5  DF  WITH EXTENSIBLE VERTICAL AND NONVERTICAL SECTIONS
63.1  DF  HAVING TRANSPOSITIONING BASE AND ERECTING MEANS {4}
70  DF  WITH STORAGE DEVICE FOR SUPPLE ESCAPE {4}
77  DF  DOOR AND LADDER {1}
82  DF  WALL- OR FLOOR-ATTACHED {7}
101  DF  LADDER WITH VERTICALLY MOVING PLATFORM OR ESCAPE {1}
104  DF  PIVOTALLY CONNECTED LADDERS, MUTUALLY SUSTAINING {1}
106  DF  WITH HANDRAIL OR GUARD FOR LADDER
107  DF  SAFETY DEVICE FOR GROUND-SUPPORTED LADDER {1}
112  DF  SAFETY DEVICE, PLATFORM ASSOCIATED {1}
114  DF  WITH SUCKER ROD SUPPORT
115  DF  LADDER AND PLATFORM {1}
127  DF  LADDER WITH LAND VEHICLE
128  DF  SCAFFOLD SUPPORTED INTERNALLY ON SHAFT
129  DF  COMBINED
130  DF  PLURAL PLATFORMS, COMMON SUPPORT {2}
133  DF  POLE OR STRAND GRASPING-TYPE CLIMBER {2}
137  DF  BODY CATCHER {1}
141  DF  PLATFORM WITH ELEVATING OR LOWERING MEANS {3}
150  DF  SUSPENDED PLATFORM
151  DF  KIT OR SEPARABLE PARTS
152  DF  UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER {2}
165  DF  LADDER WITH PIVOTED PROP {9}
178.1  DF  STACKABLE {2}
179.1  DF  SELF-SUSTAINING {5}
187  DF  SCAFFOLD EXTERNAL OF SHAFT {1}
189  DF  SINGLE STILE, STRAND OR POLE {1}
194  DF  LADDER {10}
221  DF  LEG OR SHOE ATTACHABLE POLE CLIMBER
222  DF  PLATFORM {1}
224  DF  SCAFFOLD HORSE BEAM OR LEG {1}
228.1  DF  RUNG OR RUNG-TO-STILE CONNECTION {5}
229  DF  PUTLOG OR SPACER
241  DF  MOVABLE STRAND ESCAPE AND MEANS FOR RETARDING TRAVEL OF STRAND
230  DF  MISCELLANEOUS