US2794037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonspreading lubricant
Assignee: Hamilton Watch Co
•
Filing: 1954-03-01
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Granted: 1957-05-28
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Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph S Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:35
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/08; C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/287; C10M2207/289; C10N; C10N2040/00; C10N2040/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2351025A
Cited
US2250265A
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US2191039A
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US2559171A
Cited
US2534611A
Cited
GB716086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |