US3770678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysulfide latex based caulking compositions exhibiting improved physical properties
Assignee: ATK Launch Systems LLC
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Filing: 1972-10-02
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Granted: 1973-11-06
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Expires: 1992-10-02
Abstract
Abstract A POLYSULFIDE LATEX BASED CAULKING COMPOSITIN CONTAINING (A) A WATER DISPERSION OF A SOLID POLYSULFIDE POLYMER HAVING THE STRUCTURE -(RSX)N-, FROM 3% TO 15% BY WEIGHT OF TOTAL POLYMER SOLIDS OF A THIOL TERMINATED LIQUID POLYSULFIDE POLYMER HAVING THE STRUCTURE HS-(RSS)N-RSH AND (C) SPECIAL PURPOSES ADDITIVES.
Inventors
- 👤 H Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:54
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/14; C08G75/16; C08L; C08L81/00
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |