US3393151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfluorinated aliphatic polyether lubricant with a perfluorinated phenyl compound additive
Assignee: United States Department of the Air Force
•
Filing: 1966-09-21
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Granted: 1968-07-16
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Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Roland E Dolle
- 👤 Frank J Harsacky
- 👤 Tamborski Christ
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:49
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/126; C10; C10M; C10M3/00; C10M2213/00; C10M2213/04; C10M2213/06; C10M2223/00; C10M2223/06; C10M2223/061; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2888481A
Cited
US3245907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |