US2758814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water motor
Assignee: Individual
•
Filing: 1952-12-05
•
Granted: 1956-08-14
•
Expires: 1972-12-05
Abstract
No abstract record available.
Inventors
- 👤 George F Kratz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:01
CPC Classifications
F; F03; F03B; F03B7/00; F03B7/006; Y; Y02; Y02E; Y02E10/00; Y02E10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US338116A
Cited
US434306A
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US554681A
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US1479438A
Cited
US683372A
Cited
US827845A
Cited
US993650A
Cited
US920361A
Cited
US981514A
Cited
US1510740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |