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US2253874A
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Film coupling
Assignee: Technicolor Motion Picture Corp
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Filing: 1940-04-04
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Granted: 1941-08-26
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Expires: 1960-04-04
Abstract
No abstract record available.
Inventors
- 👤 William B Tucker
- 👤 Frank W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:21
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/04; G03D15/043; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7152; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24215; Y10T428/24223; Y10T428/24273; Y10T428/24298
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-08-25 | 1945-02-24 | 1945-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-25 | 1949-02-24 | 1949-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-25 | 1953-02-24 | 1953-08-26 | $7700.00 | Window Closed / Lapsed |