| |
Class Information
Number: 277/917
Name: Seal for a joint or juncture > Seal including frangible feature
Description: Sealing means including means allowing breaking or tearing of the seal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4237203 |
Rupturable safety sealing gasket of cell |
Dec. 2, 1980 |
| 4227701 |
Rupturable sealing structure of cell |
Oct. 14, 1980 |
| 4175753 |
Mechanical seal |
Nov. 27, 1979 |
| 4172598 |
Sealing methods |
Oct. 30, 1979 |
| 4146180 |
Retractable environmental seal |
Mar. 27, 1979 |
| 4142371 |
Removable closure apparatus for hollow columnar members |
Mar. 6, 1979 |
| 4109727 |
Dual-seal sprinkler system |
Aug. 29, 1978 |
| 4103900 |
Originality seal for disposable receptacles |
Aug. 1, 1978 |
| 4079193 |
Central office cable splice enclosure |
Mar. 14, 1978 |
| 4041990 |
Accumulator for use in a hydraulic system |
Aug. 16, 1977 |
| 4009649 |
Mine ventilation control device |
Mar. 1, 1977 |
|
|
|
