US2877415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring velocity and acceleration of a propelled object
Assignee: Individual
•
Filing: 1953-07-21
•
Granted: 1959-03-10
•
Expires: 1973-07-21
Abstract
No abstract record available.
Inventors
- 👤 Sylvan D Rolle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:55
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P1/00; G01P1/12; G01P1/122; G01P15/00; G01P15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1871404A
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US1854949A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |