US2750442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film shrinkage compensatory system
Assignee: RCA Corp
•
Filing: 1948-08-13
•
Granted: 1956-06-12
•
Expires: 1968-08-13
Abstract
No abstract record available.
Inventors
- 👤 Alda V Bedford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:23
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
AT89630B
Cited
US1898141A
Cited
US2071878A
Cited
US2189351A
Cited
US2132003A
Cited
US2277693A
Cited
US2250479A
Cited
US2200086A
Cited
US2268891A
Cited
US2271306A
Cited
FR883910A
Cited
US2401596A
Cited
US2401597A
Cited
US2487870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |