US2873367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angle modulation detector
Assignee: RCA Corp
•
Filing: 1953-11-19
•
Granted: 1959-02-10
•
Expires: 1973-11-19
Abstract
No abstract record available.
Inventors
- 👤 Zawels Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:08
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/06; H03D3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2165252A
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US2280569A
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US2286378A
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US2410275A
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US2361625A
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US2373616A
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US2457013A
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US2620448A
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US2663796A
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US2666819A
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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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |