US3532567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane propellant compositions prepared with hydroxy-terminated polyesters
Assignee: Aerojet Rocketdyne Inc
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Filing: 1966-12-29
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Granted: 1970-10-06
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Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph Winkler
- 👤 Eugene A Bratoeff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:41
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C08G18/70; C08G18/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |