US2964741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed warning for linear speedometer
Assignee: Individual
•
Filing: 1957-01-03
•
Granted: 1960-12-13
•
Expires: 1977-01-03
Abstract
No abstract record available.
Inventors
- 👤 Louis H Freedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:28
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P1/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2337535A
Cited
US2329715A
Cited
US2464191A
Cited
US2802442A
Cited
US2771597A
Cited
US2816283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |