US2872872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pump or motor
Assignee: GEROTOR MAY Corp OF MARYLAND
•
Filing: 1954-11-23
•
Granted: 1959-02-10
•
Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Bartholomew F Quintilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:47
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/06; F04C2/00; F04C2/08; F04C2/10; F04C2/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732802A
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US947670A
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US1348773A
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US1624099A
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US1732871A
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US1768818A
Cited
US2053919A
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US2433360A
Cited
US2547392A
Cited
US2696170A
Cited
US2739538A
Cited
US2701532A
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 |