US3481872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degradation resistant and non-corrosive high-temperature lubricant formulation
Assignee: United States Department of the Air Force
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Filing: 1968-02-13
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Granted: 1969-12-02
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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
2026-10-28 01:28
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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |