US3335201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino-functional phenol containing polysulfide polymers and their reaction products with polyepoxides
Assignee: ATK Launch Systems LLC
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Filing: 1964-09-09
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Granted: 1967-08-08
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Expires: 1984-09-09
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Bertozzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:39
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/14; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A SOLID RESINOUS REACTION PRODUCT OF A POLYEPOXIDE AND AN AMINO-FUNCTIONAL POLYSULFIDE POLYMER, SAID POLYEPOXIDE HAVING AN EPOXIDE FUNCTIONALLY OF AT LEAST APPROXIMATELY 2 AND SAID POLYSULFIDE POLYMER HAVING A STRUCTURE CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
35 words
A SOLID RESINOUS REACTION PRODUCT OF A POLYEPOXIDE AND AN AMINO-FUNCTIONAL POLYSULFIDE POLYMER, SAID POLYEPOXIDE HAVING AN EPOXIDE FUNCTIONALLY OF AT LEAST APPROXIMATELY 2 AND SAID POLYSULFIDE POLYMER HAVING A STRUCTURE CORRESPONDING TO THE FORMULA
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |