Patent US2585945A successfully refreshed from Google Patents.
US2585945A
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US
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Manually controlled photographic exposing, developing, and fixing device
Assignee: Individual
•
Filing: 1947-11-07
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Granted: 1952-02-19
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Expires: 1967-11-07
Abstract
No abstract record available.
Inventors
- 👤 Matilde E Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:04
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/53; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8798; Y10T83/8804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1359481A
Cited
US1477674A
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US1822677A
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US1875215A
Cited
US2256981A
Cited
US2380378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |