Patent US2475973A successfully refreshed from Google Patents.
US2475973A
Expired / Lapsed
US
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Safe-handling film processing unit
Assignee: Eastman Kodak Co
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Filing: 1945-09-28
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Granted: 1949-07-12
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Expires: 1965-09-28
Abstract
No abstract record available.
Inventors
- 👤 Benjamin E Luboshez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:05
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319026A
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US1900825A
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US1846075A
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US1808669A
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US2137256A
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GB446251A
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US2158001A
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US2385681A
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US2395970A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |