US2700700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television system
Assignee: Individual
•
Filing: 1949-02-16
•
Granted: 1955-01-25
•
Expires: 1969-02-16
Abstract
No abstract record available.
Inventors
- 👤 France Henri Georges De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:02
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/18; H04N11/12; H04N3/00; H04N3/10; H04N3/30; H04N3/32; H04N3/34; H04N3/36; H04N7/00; H04N7/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1289940A
Cited
US1794103A
Cited
US2037577A
Cited
US2143933A
Cited
US2138577A
Cited
US2251525A
Cited
US2277192A
Cited
US2335180A
Cited
US2353876A
Cited
US2446635A
Cited
FR909949A
Cited
US2478384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |