Patent US2350712A successfully refreshed from Google Patents.
US2745355A
Expired / Lapsed
US
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Pump or fluid motor of the gear type
Assignee: Geo D Roper Corp
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Filing: 1953-06-01
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Granted: 1956-05-15
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Expires: 1973-06-01
Abstract
No abstract record available.
Inventors
- 👤 Bruce H Mosbacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:56
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/12; F04C; F04C5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306572A
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US666588A
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US882576A
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US944581A
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US1427823A
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FR555649A
Cited
GB463523A
Cited
US2147928A
Cited
US2301308A
Cited
US2342959A
Cited
DE854154C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |