Patent US2334754A successfully refreshed from Google Patents.
US2741985A
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US
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Pressure relief for fluid pumps
Assignee: Individual
•
Filing: 1953-01-14
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Granted: 1956-04-17
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Expires: 1973-01-14
Abstract
No abstract record available.
Inventors
- 👤 John B Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:53
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F16; F16K; F16K15/00; F16K15/02; F16K15/04; F16K15/044; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1780121A
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US2032885A
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US2202912A
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US2246610A
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US2268695A
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US2393406A
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US2405466A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |