US3376795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic drive cylinder
Assignee: Individual
•
Filing: 1965-10-21
•
Granted: 1968-04-09
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Earle F Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:37
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA487735A
Cited
GB326477A
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US2408915A
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US2497489A
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FR926475A
Cited
US2461780A
Cited
US2535600A
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US2605099A
Cited
US2851011A
Cited
US2896583A
Cited
US3208767A
Cited
US3308496A
Cited
US3298664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |