US2567545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subscription-type television receiver
Assignee: Zenith Electronics LLC
•
Filing: 1948-09-30
•
Granted: 1951-09-11
•
Expires: 1968-09-30
Abstract
No abstract record available.
Inventors
- 👤 Jesse E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:04
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2266194A
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US2268001A
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US2251525A
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US2403059A
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US2335983A
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US2402067A
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US2405252A
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GB564511A
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US2419568A
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US2394917A
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US2477625A
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US2477679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |