US1616642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of superficial liquid from cinematographic films
Assignee: Technicolor Motion Picture Corp
•
Filing: 1923-08-14
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Granted: 1927-02-08
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Expires: 1943-08-14
Abstract
No abstract record available.
Inventors
- 👤 Leonard T Troland
- 👤 Jarvis M Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
G; G03; G03D; G03D15/00; Y; Y10; Y10S; Y10S430/00; Y10S430/135
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) | 1930-02-07 | 1930-08-09 | 1931-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-02-07 | 1934-08-09 | 1935-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-02-07 | 1938-08-09 | 1939-02-08 | $7700.00 | Window Closed / Lapsed |