US3146202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelation inhibitors for silicone oils
Assignee: Individual
•
Filing: 1961-02-13
•
Granted: 1964-08-25
•
Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Robert M Silverstein
- 👤 Frank R Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:49
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/35; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/068; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2227/00; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051
Claims Analysis
Total Claims: 0
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |