US2622678A
Expired / Lapsed
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Projectile velocity measuring apparatus
Assignee: Individual
•
Filing: 1951-08-17
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Granted: 1952-12-23
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Expires: 1971-08-17
Abstract
No abstract record available.
Inventors
- 👤 Robert J Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:51
CPC Classifications
G; G04; G04F; G04F13/00; G04F13/02; G04F13/026; G01; G01P; G01P3/00; G01P3/64; G01P3/66; G01P3/665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |