US2640433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swash plate pump
Assignee: Ex-Cell-O Corp
•
Filing: 1947-06-26
•
Granted: 1953-06-02
•
Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 Max A Mathys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:34
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/20; F04B1/2014; F04B1/2078; F04B1/2085; F04B1/2042; F04B1/26; F04B1/30; F04B1/32; F04B1/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1274391A
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US1407047A
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US1362040A
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FR691199A
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US2379546A
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GB500937A
Cited
GB527359A
Cited
US2382437A
Cited
US2298850A
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US2403371A
Cited
US2388644A
Cited
US2421846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |