Patent US2933032A successfully refreshed from Google Patents.
US2933032A
Expired / Lapsed
US
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Photographic film and paper processing machine
Assignee: Individual
•
Filing: 1957-02-25
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Granted: 1960-04-19
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Edward L E Pardee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:27
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/10; G03D3/02; G03D3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1254300A
Cited
US1670673A
Cited
GB312030A
Cited
US2157128A
Cited
US2155511A
Cited
US2337989A
Cited
FR909223A
Cited
US2542830A
Cited
GB720277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |