Patent US2475658A successfully refreshed from Google Patents.
US2475658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic developing apparatus with easily accessible tanks and conveyers
Assignee: Unisys Corp
•
Filing: 1944-08-18
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Granted: 1949-07-12
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Expires: 1964-08-18
Abstract
No abstract record available.
Inventors
- 👤 Briechle Ambrosius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:12
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/135; G03D3/02; G03D3/06
Claims Analysis
Total Claims: 0
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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 |