US3483129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfluorinated substituted phenyl phosphine lubricant additives
Assignee: United States Department of the Air Force
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Filing: 1968-02-13
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Granted: 1969-12-09
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Expires: 1988-02-13
Abstract
No abstract record available.
Inventors
- 👤 Roland E Dolle Jr
- 👤 Frank J Harsacky
- 👤 Christ Tamborski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:20
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/5022; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |