Patent US3472143A successfully refreshed from Google Patents.
US3472143A
Expired / Lapsed
US
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Apparatus for processing photographic material
Assignee: Itek Graphix Corp
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Filing: 1967-01-12
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Granted: 1969-10-14
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Expires: 1987-01-12
Abstract
No abstract record available.
Inventors
- 👤 Philip E Hixon
- 👤 Marvin B Fleisher
- 👤 Bertrand G Braithwaite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:39
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/135; G03D3/02; G03D3/06; G03D3/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1895760A
Cited
US3368472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |