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US2526568A
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US
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Lubricating apparatus
Assignee: Individual
•
Filing: 1946-06-07
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Granted: 1950-10-17
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Expires: 1966-06-07
Abstract
No abstract record available.
Inventors
- 👤 John T Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:30
CPC Classifications
F; F16; F16N; F16N25/00; F16N25/02; Y; Y10; Y10S; Y10S116/00; Y10S116/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2006181A
Cited
US1935139A
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US1935150A
Cited
FR735550A
Cited
US2115637A
Cited
US2269928A
Cited
US2300330A
Cited
US2284799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |