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US3499286A
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Controllable hydraulic power unit
Assignee: NORTHWEST ENGINEERING Co A CORP OF
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Filing: 1968-10-15
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Granted: 1970-03-10
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Expires: 1988-10-15
Abstract
No abstract record available.
Inventors
- 👤 Karl E Reischl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:30
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/4061; B; B66; B66D; B66D1/00; B66D1/02; B66D1/08; F16H61/44; F16H61/444; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2074618A
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US2160920A
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US2276895A
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US2395302A
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US2724335A
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US3161022A
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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) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |