Patent US2604855A successfully refreshed from Google Patents.
US2604855A
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Reciprocating ram pump
Assignee: Electraulic Presses Ltd
•
Filing: 1946-01-12
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Granted: 1952-07-29
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Expires: 1966-01-12
Abstract
No abstract record available.
Inventors
- 👤 Towler John Maurice
- 👤 Towler Frank Hathorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:36
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/102; F04B53/1022; F04B1/00; F04B1/04; F04B1/0404; F04B1/0426; F04B53/1087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1629857A
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US985013A
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US999220A
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US1207165A
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US1384096A
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FR535779A
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FR557006A
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US2168850A
Cited
US2340020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |