US3532632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fluids containing nonionic surface action agents and phosphate esters of nonionic surface active agents
Assignee: GAF Corp
•
Filing: 1967-02-10
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Granted: 1970-10-06
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Expires: 1987-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jeal Sugarman
- 👤 Fred E Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:34
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2225/00; C10M2225/02; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2961574A
Cited
US3010903A
Cited
US3004056A
Cited
US3269946A
Cited
US3278442A
Cited
US3331896A
Cited
US3311561A
Cited
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 |