US3372228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television signal recorder
Assignee: Raytheon Co
•
Filing: 1965-05-21
•
Granted: 1968-03-05
•
Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Russell R Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:13
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/79; H04N9/80; H04N9/86; H04N11/00; H04N11/02; H04N7/00; H04N7/12; H04N7/122; H04N7/125; H04N9/797; H04N9/7973
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2517265A
Cited
US2892017A
Cited
US2938945A
Cited
US2892022A
Cited
US2969425A
Cited
US3136847A
Cited
US3128338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |