US2916879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination hydraulic power unit
Assignee: Individual
•
Filing: 1956-04-04
•
Granted: 1959-12-15
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 John T Gondek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:47
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB431785A
Cited
US2193736A
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US2401258A
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US2582556A
Cited
US2680952A
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US2640323A
Cited
US2657533A
Cited
FR1043272A
Cited
US2751752A
Cited
US2708909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |