US2497847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film presser having a central projecting plane portion for moving picture cameras
Assignee: Individual
•
Filing: 1948-12-15
•
Granted: 1950-02-21
•
Expires: 1968-12-15
Abstract
No abstract record available.
Inventors
- 👤 Coutant Andre Clement
- 👤 Mathot Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:00
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/56
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1692092A
Cited
US1944228A
Cited
US1927887A
Cited
US1922742A
Cited
US2357707A
Cited
US2451161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |