US2755463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demodulating system
Assignee: Raytheon Co
•
Filing: 1951-06-22
•
Granted: 1956-07-17
•
Expires: 1971-06-22
Abstract
No abstract record available.
Inventors
- 👤 Martin R Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:49
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/02; H03D9/04; G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32; G01S13/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2050418A
Cited
US2147810A
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US2248727A
Cited
US2422074A
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US2540076A
Cited
US2529510A
Cited
US2537574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |