Patent US2709408A successfully refreshed from Google Patents.
US2709408A
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Variable displacement radial piston pump
Assignee: International Business Machines Corp
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Filing: 1951-01-25
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Granted: 1955-05-31
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Expires: 1971-01-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Elias Orshansky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:17
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/053; F04B1/0531; F04B49/00; F04B49/12; F04B49/123; F04B49/125; F04B1/06; F04B1/07; F04B1/08; Y; Y10; Y10T; Y10T74/00; Y10T74/16; Y10T74/1625; Y10T74/1658; Y10T74/1667; Y10T74/21; Y10T74/211; Y10T74/2116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1149728A
Cited
US1227164A
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US1697853A
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FR840974A
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US2424035A
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US2539277A
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US2561344A
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US2597420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |