US2648060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coded impulse responsive secret signaling system
Assignee: Raytheon Co
•
Filing: 1948-03-13
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Granted: 1953-08-04
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Expires: 1968-03-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Edwin E Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:35
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2401094A
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US2537102A
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US2482544A
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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) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |