US2826634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for magnetic reproduction of pictures
Assignee: Individual
•
Filing: 1951-04-14
•
Granted: 1958-03-11
•
Expires: 1971-04-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Atkinson
- 👤 Steven G Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:09
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/23; H04N1/27; G; G03; G03G; G03G19/00; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |