Patent US3832320A successfully refreshed from Google Patents.
US3832320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified polybenzothiazole-based adhesive
Assignee: United States Department of the Air Force
•
Filing: 1972-11-07
•
Granted: 1974-08-27
•
Expires: 1992-11-07
Abstract
Abstract AN ADHESIVE IS PROVIDED THAT CONSISTS ESSENTIALLY OF (1) A POLYBENZOTHIAZOLE MODIFIED BY REACTION WITH 4-AMINOPHTHALIMIDE, (2) ALUMINUM AND (3) ZINC OXIDE. THE ADHESIVE IS PARTICULARLY USEFUL IN BONDING STRUCTURAL MEMBERS, E.G., THOSE FABRICATED FROM STAINLESS STEEL OR TITANIUM, THAT ARE SUBJECTED TO HIGH TEMPERATURES AS IN THE OPERATION OF HIGH PERFORMANCE AIRCRAFT.
Inventors
- 👤 T Aponyi
- 👤 E Arvay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:04
CPC Classifications
C; C09; C09J; C09J179/00; C09J179/04; C08; C08K; C08K3/00; C08K3/02; C08K3/18; C08K3/20; C08K3/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |