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US2606485A
Expired / Lapsed
US
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Film-developing tank
Assignee: Individual
•
Filing: 1949-06-24
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Granted: 1952-08-12
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Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:17
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE579445C
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US746756A
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US1097701A
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FR482099A
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US1285462A
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US1447329A
Cited
US1481759A
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US2169417A
Cited
GB529713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |