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Class Information
Number: 52/232
Name: Static structures (e.g., buildings) > Irreversibly reactive component
Description: Structure including (1) a component in one layer which reacts chemically with a component of another layer or (2) a component which irreversibly changes in physical or chemical structure other than a mere dimensional change with variations in ambient conditions, e.g., heat or moisture.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4164108 |
Fire-proof window |
Aug. 14, 1979 |
| 4145855 |
System for protecting an enclosed space from high or low temperature extremes |
Mar. 27, 1979 |
| 4144688 |
Fire resistant seals |
Mar. 20, 1979 |
| 4136707 |
Fire-resisting device for piping extending through a wall |
Jan. 30, 1979 |
| 4128978 |
Controlled expansion suspended ceiling grid beam |
Dec. 12, 1978 |
| 4109423 |
Fire-proof device for a tube of fusible material which extends through a wall |
Aug. 29, 1978 |
| 4093818 |
Fire-protective cellular service ducting |
Jun. 6, 1978 |
| 4086737 |
Refractory fiber blanket module with heat shrinkage compensation |
May. 2, 1978 |
| 4086736 |
Fire and liquid seals for pipes and conduits and method of forming same |
May. 2, 1978 |
| 4075804 |
Fire resistant asbestos-free door, panel or building elements, and method of manufacture using unique compositions |
Feb. 28, 1978 |
| 4069075 |
Structural support for char derived from intumescent coatings |
Jan. 17, 1978 |
| 4068481 |
Self-retaining roof bolt |
Jan. 17, 1978 |
| 4067154 |
Instantaneous venting, non-frangible burst panel structure |
Jan. 10, 1978 |
| 4063391 |
Ceiling system |
Dec. 20, 1977 |
| 4061344 |
Fitting for penetration through fire rated barriers |
Dec. 6, 1977 |
| 4045930 |
Fire resistant seals |
Sep. 6, 1977 |
| 4021638 |
Method and apparatus for the destruction of an upper portion of a structure |
May. 3, 1977 |
| 4015386 |
Fire-retardant low temperature insulating building panel |
Apr. 5, 1977 |
| 3995102 |
Insert device for cables |
Nov. 30, 1976 |
| 3987600 |
Fire resistant doors |
Oct. 26, 1976 |
| 3981102 |
Warp resistant fire door |
Sep. 21, 1976 |
| 3981114 |
Energy absorbing permanently deformable collapsible column |
Sep. 21, 1976 |
| 3976825 |
Lead-through for electric cables and the like |
Aug. 24, 1976 |
| 3974607 |
Fire-rated common area separation wall structure having break-away clips |
Aug. 17, 1976 |
| 3969858 |
Explosion vent construction |
Jul. 20, 1976 |
| 3965632 |
Fire rated grid |
Jun. 29, 1976 |
| 3965631 |
Fire rated grid-member with controlled expansion means |
Jun. 29, 1976 |
| 3965629 |
Conduit apparatus |
Jun. 29, 1976 |
| 3964214 |
Smoke stop |
Jun. 22, 1976 |
| 3955330 |
Smoke stop for doors |
May. 11, 1976 |
| 3950905 |
Method for prestressing a structural member |
Apr. 20, 1976 |
| 3942293 |
Metal oxide coated refractory brick |
Mar. 9, 1976 |
| 3935681 |
Fire screen for a structural panel |
Feb. 3, 1976 |
| 3932696 |
Underfloor access housing utilizing a trough space of a cellular flooring unit |
Jan. 13, 1976 |
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