Patent US3398288A successfully refreshed from Google Patents.
US3398288A
Expired / Lapsed
US
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Velocity selector using light conducting rods and a plurality of light beam interrupters
Assignee: United States Department of the Air Force
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Filing: 1965-02-16
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Granted: 1968-08-20
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Expires: 1985-02-16
Abstract
No abstract record available.
Inventors
- 👤 Warren M Sanders
- 👤 Elvin W Melton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:36
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/16; B; B61; B61L; B61L25/00; B61L25/02; B61L25/021; G01P3/00; G01P3/64; G01P3/68
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |