Patent US2689972A successfully refreshed from Google Patents.
US3600352A
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Silicone construction sealant
Assignee: General Electric Co
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Filing: 1968-06-10
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Granted: 1971-08-17
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Expires: 1988-06-10
Abstract
Abstract A CONSTRUCTION SEALANT CONTAINS A SILICONE RESIN AND MICROCRYSTALLINE MAGNESIUM SILICATE FIBERS.
Inventors
- 👤 George M Dujack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:11
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/02; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/20; C08G77/42; C08G77/44; C08G77/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |