US2384254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-driven centrifugal pump for liquid
Assignee: Self Priming Pump & Eng Co Ltd
•
Filing: 1943-06-17
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Granted: 1945-09-04
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Expires: 1963-06-17
Abstract
No abstract record available.
Inventors
- 👤 Meredew George Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/605; F04D29/606; F04D29/608; F02; F02M; F02M37/00; F02M37/04; F02M37/08; F02M37/10; F02M37/103
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) | 1948-09-03 | 1949-03-05 | 1949-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-09-03 | 1953-03-05 | 1953-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-09-03 | 1957-03-05 | 1957-09-04 | $7700.00 | Window Closed / Lapsed |