US2960075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary type fluid motor
Assignee: HAZEL B PHILLIPS
•
Filing: 1957-09-20
•
Granted: 1960-11-15
•
Expires: 1977-09-20
Abstract
No abstract record available.
Inventors
- 👤 Weberg Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:56
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F01C1/3446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US619129A
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US625446A
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US1320892A
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US695296A
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US870290A
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US931038A
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US1016764A
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US1644490A
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US1849269A
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US2393223A
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US2738774A
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US2777396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |