US2877347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal matrixing circuit
Assignee: Lanteris Space LLC
•
Filing: 1954-04-08
•
Granted: 1959-03-10
•
Expires: 1974-04-08
Abstract
No abstract record available.
Inventors
- 👤 Edward G Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:10
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64; H04N9/67
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2185367A
Cited
FR938403A
Cited
US2563245A
Cited
US2605409A
Cited
GB618438A
Cited
US2547598A
Cited
US2580673A
Cited
US2776343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |