US2551993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump and motor
Assignee: Individual
•
Filing: 1944-11-03
•
Granted: 1951-05-08
•
Expires: 1964-11-03
Abstract
No abstract record available.
Inventors
- 👤 Elek K Benedek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:24
CPC Classifications
F; F01; F01B; F01B1/00; F01B1/06; F01B1/062; F01B1/0641; F01B1/0644; F01B1/0668; F01B13/00; F01B13/04; F01B13/06; F01B13/061; F01B13/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2101730A
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US2189773A
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US2159244A
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US2103313A
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US2248738A
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US2103314A
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US2250147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |