US2479880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discontinuous interlaced scanning system
Assignee: Individual
•
Filing: 1937-07-03
•
Granted: 1949-08-23
•
Expires: 1957-07-03
Abstract
No abstract record available.
Inventors
- 👤 Toulon Pierre Marie Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:03
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/30; H04N3/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2034704A
Cited
GB420391A
Cited
US2093157A
Cited
US2082093A
Cited
GB431339A
Cited
GB443896A
Cited
FR797332A
Cited
GB451745A
Cited
GB456564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |