US2462980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump
Assignee: Individual
•
Filing: 1945-10-19
•
Granted: 1949-03-01
•
Expires: 1965-10-19
Abstract
No abstract record available.
Inventors
- 👤 Seymour W Litt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:36
CPC Classifications
F; F04; F04B; F04B33/00; F04B33/005; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1108903A
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US1112202A
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Cited
US1625099A
Cited
US1526309A
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US1608723A
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US1737534A
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US1880732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |