US2763281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well pumping devices
Assignee: Individual
•
Filing: 1952-10-14
•
Granted: 1956-09-18
•
Expires: 1972-10-14
Abstract
No abstract record available.
Inventors
- 👤 Hilton H Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:16
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/04; F04D9/06; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/8593; Y10T137/85978; Y10T137/86075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US210954A
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US515829A
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US607509A
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US680718A
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US1059609A
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US1227180A
Cited
US1355606A
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US1535697A
Cited
US2549218A
Cited
US2642747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |