US2845796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave force meter
Assignee: University of California Berkeley
•
Filing: 1954-07-12
•
Granted: 1958-08-05
•
Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Jack R Morison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:27
CPC Classifications
G; G01; G01M; G01M10/00; G01L; G01L5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2544738A
Cited
GB631973A
Cited
US2543020A
Cited
FR1036873A
Cited
US2761320A
Cited
US2813424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |