Patent FR2459622A1 successfully refreshed from Google Patents.
US3465337A
Expired / Lapsed
US
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Beam scanning device of sonic or electric wave or the like
Assignee: Individual
•
Filing: 1967-12-14
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Granted: 1969-09-02
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Expires: 1987-12-14
Abstract
No abstract record available.
Inventors
- 👤 Isokazu Tanaka
- 👤 Shizuo Kurimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:27
CPC Classifications
G; G01; G01S; G01S15/00; G01S15/02; G01S15/06; G01S15/42; H; H01; H01Q; H01Q3/00; H01Q3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2426460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |