Patent US3374313A successfully refreshed from Google Patents.
US3374313A
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Cathode ray tube overlay including a rotatable disc with a plurality of range scales
Assignee: United States Department of the Navy
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Filing: 1964-03-30
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Granted: 1968-03-19
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Robert H Mathes
- 👤 Lauro C Ricalzone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:00
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/22; B; B63; B63C; B63C11/00; B63C11/48; F; F41; F41G; F41G7/00; F41G7/007; G01S; G01S1/00; G01S1/02; G01S15/00; G01S15/87; G01S7/00; G01S7/52; G01S7/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2468032A
Cited
US2446674A
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US2570738A
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US2515221A
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US2540110A
Cited
US3127584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |