US2872875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power units
Assignee: Curtiss Wright Corp
•
Filing: 1954-06-03
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Granted: 1959-02-10
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Expires: 1974-06-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Mergen
- 👤 Robert K Tiedeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:14
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H39/16; B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1152729A
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US1904496A
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US2211402A
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US2237018A
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US2303685A
Cited
US2474536A
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US2458985A
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US2496915A
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US2462500A
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US2646755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |