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US2766670A
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Developing and drying device for x-ray films
Assignee: Individual
•
Filing: 1954-03-08
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Granted: 1956-10-16
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Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Fritts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:41
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/02; G03D15/027; G03D13/00; G03D13/02; G03D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1629285A
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US1439378A
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US1407961A
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US1747930A
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US1903174A
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US2082876A
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US2181206A
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US2269820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |