Patent US2363420A successfully refreshed from Google Patents.
US2363420A
Expired / Lapsed
US
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Submersible pump
Assignee: Individual
•
Filing: 1942-05-05
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Granted: 1944-11-21
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Expires: 1962-05-05
Abstract
No abstract record available.
Inventors
- 👤 Howard Giles Philip Eliot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/06; F04D29/061; F04D29/08; F04D29/10; F04D29/12; F04D29/126; F04D29/58; F04D29/586; F04D29/588
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) | 1947-11-21 | 1948-05-22 | 1948-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-21 | 1952-05-22 | 1952-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-21 | 1956-05-22 | 1956-11-21 | $7700.00 | Window Closed / Lapsed |