US2665619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing photographic film
Assignee: Kenyon Instrument Co Inc
•
Filing: 1949-09-09
•
Granted: 1954-01-12
•
Expires: 1969-09-09
Abstract
No abstract record available.
Inventors
- 👤 Clifton M Tuttle
- 👤 Fordyce M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:44
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G03; G03D; G03D5/00; G03D5/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1841653A
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US1907252A
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US2221055A
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US2380378A
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US2397763A
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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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |