US2628275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio and television distribution system for hotels and apartment houses
Assignee: Individual
•
Filing: 1948-02-25
•
Granted: 1953-02-10
•
Expires: 1968-02-25
Abstract
No abstract record available.
Inventors
- 👤 Louis W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:55
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/48; H03H7/482; H04; H04N; H04N7/00; H04N7/10; H04N7/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2241586A
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US2229043A
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US2298435A
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US2448908A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |