US2957941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for narrow-band transmission of pictorial information
Assignee: RCA Corp
•
Filing: 1954-10-01
•
Granted: 1960-10-25
•
Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Rd Frank D Covely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:49
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/30; H04N3/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2227630A
Cited
US2359449A
Cited
FR909949A
Cited
US2664462A
Cited
US2798114A
Cited
US2825754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |