US3034448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pump
Assignee: Individual
•
Filing: 1959-05-19
•
Granted: 1962-05-15
•
Expires: 1979-05-19
Abstract
No abstract record available.
Inventors
- 👤 Robert W Brundage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:21
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/10; F04C2/102; F04C2/082; F04C2/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1719639A
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US1719640A
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US2076664A
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US2132813A
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US2291354A
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US2405061A
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US2676548A
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US2787963A
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US2948229A
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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) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |