US2711441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television still picture transmitter
Assignee: HAMMOND JR
•
Filing: 1950-12-06
•
Granted: 1955-06-21
•
Expires: 1970-12-06
Abstract
No abstract record available.
Inventors
- 👤 Jr John Hays Hammond
- 👤 Ellison S Purington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:52
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00095; H04N1/00098; H04N5/00; H04N5/76; H04N5/84; H04N5/843; H04N5/846
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2164297A
Cited
US2172936A
Cited
US2193869A
Cited
US2275898A
Cited
US2513176A
Cited
US2420029A
Cited
US2504734A
Cited
US2613263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |