US2425122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic code recording and reproducing device
Assignee: Individual
•
Filing: 1944-09-25
•
Granted: 1947-08-05
•
Expires: 1964-09-25
Abstract
No abstract record available.
Inventors
- 👤 John M Petty
- 👤 Thomas M Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:00
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1848799A
Cited
US706743A
Cited
US1804136A
Cited
US2044333A
Cited
US1950091A
Cited
US2031952A
Cited
US1950011A
Cited
US2082877A
Cited
US2307099A
Cited
US2279242A
Cited
US2300038A
Cited
US2251902A
Cited
US2341222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |