US2445762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record engraver suspension for sound track registering machines
Assignee: Individual
•
Filing: 1942-10-27
•
Granted: 1948-07-27
•
Expires: 1962-10-27
Abstract
No abstract record available.
Inventors
- 👤 Chanal Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:05
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0032; Y; Y10; Y10S; Y10S29/00; Y10S29/084
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1420316A
Cited
US1810062A
Cited
US1958616A
Cited
US2028197A
Cited
AT146275B
Cited
US2135035A
Cited
US2257028A
Cited
US2254839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-27 | 1952-01-26 | 1952-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-27 | 1956-01-26 | 1956-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-27 | 1960-01-26 | 1960-07-27 | $7700.00 | Window Closed / Lapsed |