US3562650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catv system with increased channel capabilities
Assignee: Standard Kollsman Industries Inc
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Filing: 1967-12-20
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Granted: 1971-02-09
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Expires: 1987-12-20
Abstract
Abstract AN ARRANGEMENT FOR PROVIDING ADDITIONAL TELEVISION CHANNELS AND FREQUENCY CONVERTING SUCH ADDITIONAL CHANNELS FOR SELECTIVE TUNING BY THE VHF TUNER OF A CONVENTIONAL TELEVISION RECEIVER. SUCH A TELEVISION CHANNEL ADDING ARRANGEMENT IS SHOWN IN CONJUNCTION WITH A CATV SYSTEM WHEREIN THE DISTRIBUTION CABLE PROVIDES THE ADDITIONAL CHANNELS IN CONJUNCTION WITH THE CONVENTIONAL VHF BROADCAST CHANNELS.
Inventors
- 👤 Thomas F Gossard
- 👤 Mutsuo Nakanishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:46
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |