Patent US2517233A successfully refreshed from Google Patents.
US2517233A
Expired / Lapsed
US
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Single cavity type motor-driven pump
Assignee: Individual
•
Filing: 1946-01-19
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Granted: 1950-08-01
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Expires: 1966-01-19
Abstract
No abstract record available.
Inventors
- 👤 Layman R Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:10
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0606; F04D13/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB139277A
Cited
GB141467A
Cited
US1973070A
Cited
US1908427A
Cited
US1991761A
Cited
US2274274A
Cited
US2301063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |