Patent US2648060A successfully refreshed from Google Patents.
US2648060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coded impulse responsive secret signaling system
Assignee: Raytheon Co
•
Filing: 1948-03-13
•
Granted: 1953-08-04
•
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 20:53
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2134716A
Cited
US2361437A
Cited
US2412974A
Cited
US2425600A
Cited
US2419571A
Cited
US2515178A
Cited
US2531412A
Cited
US2415359A
Cited
US2415667A
Cited
US2414992A
Cited
US2401094A
Cited
US2537102A
Cited
US2482544A
Cited
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 |