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Patent US3467773A successfully refreshed from Google Patents.
US3467773A
Expired / Lapsed
US
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Television monitoring system for penetrating a light backscattering medium
Assignee: United States Department of the Navy
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Filing: 1966-11-07
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Granted: 1969-09-16
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Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Paul J Heckman Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:34
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/18; H04N7/183; G; G01; G01S; G01S17/00; G01S17/88; G01S17/89; G02; G02B; G02B23/00; G02B23/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2996946A
Cited
US3305633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |