US2913820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication device and method of making same
Assignee: Stewart Warner Corp
•
Filing: 1956-04-23
•
Granted: 1959-11-24
•
Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 John L Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:04
CPC Classifications
F; F16; F16N; F16N21/00; F16N21/04; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1919552A
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US1996795A
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US2025224A
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US1953564A
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US1946065A
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US2010569A
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US2685320A
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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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |