Patent US2761364A successfully refreshed from Google Patents.
US2761364A
Expired / Lapsed
US
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Photographic developing machines
Assignee: Ozalid Co Ltd
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Filing: 1951-06-20
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Granted: 1956-09-04
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Expires: 1971-06-20
Abstract
No abstract record available.
Inventors
- 👤 Cross Edward Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:59
CPC Classifications
G; G03; G03D; G03D7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA477896A
Cited
FR641786A
Cited
US1878279A
Cited
US2047104A
Cited
US2012621A
Cited
US2492781A
Cited
GB725211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |