US2951904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Receiving device for two television programs
Assignee: US Philips Corp
•
Filing: 1954-11-05
•
Granted: 1960-09-06
•
Expires: 1974-11-05
Abstract
No abstract record available.
Inventors
- 👤 Blan Louis Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:34
CPC Classifications
H; H04; H04N; H04N9/00; H04B; H04B14/00; H04B14/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1906269A
Cited
US2266194A
Cited
US2262764A
Cited
US2352634A
Cited
US2696523A
Cited
US2607035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |