Patent US2369345A successfully refreshed from Google Patents.
US2369345A
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US
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Hydraulic pump
Assignee: NATHAN Manufacturing CO
•
Filing: 1944-05-27
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Granted: 1945-02-13
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Expires: 1964-05-27
Abstract
No abstract record available.
Inventors
- 👤 Bengt E Folke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:27
CPC Classifications
F; F04; F04B; F04B7/00; F04B7/04; F04B7/06; F04B1/00; F04B1/12; F04B1/122; F04B1/124; F04B1/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-02-13 | 1948-08-14 | 1949-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-13 | 1952-08-14 | 1953-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-13 | 1956-08-14 | 1957-02-13 | $7700.00 | Window Closed / Lapsed |