US2650265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual purpose carrier wave receiver
Assignee: Stromberg Carlson Corp
•
Filing: 1949-11-30
•
Granted: 1953-08-25
•
Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Mountjoy Garrard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:34
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2093544A
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US2105518A
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US2298498A
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US2216874A
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GB525826A
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US2296100A
Cited
US2258599A
Cited
US2357975A
Cited
US2394917A
Cited
US2448908A
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US2408644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |