US2765749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump or motor
Assignee: Geo D Roper Corp
•
Filing: 1955-03-09
•
Granted: 1956-10-09
•
Expires: 1975-03-09
Abstract
No abstract record available.
Inventors
- 👤 Bruce H Mosbacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:39
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1155335A
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GB429360A
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US2159748A
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US2272309A
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DE732701C
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GB557659A
Cited
US2400485A
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DE800097C
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US2544988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |