US2965433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television multiple channel recorder
Assignee: BULOVA RES AND DEV LAB Inc
•
Filing: 1958-01-28
•
Granted: 1960-12-20
•
Expires: 1978-01-28
Abstract
No abstract record available.
Inventors
- 👤 Alpert Norman
- 👤 Leonard E Sherbin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:20
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/35; H04H60/38; H04H60/39; H04H60/41; H04H60/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827208A
Cited
US2153185A
Cited
US2195868A
Cited
US2421933A
Cited
US2483573A
Cited
US2513360A
Cited
US2660665A
Cited
US2660507A
Cited
US2674512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |