Patent US3242843A successfully refreshed from Google Patents.
US3242843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic processing apparatus
Assignee: Ilford Imaging UK Ltd
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Filing: 1964-03-23
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Granted: 1966-03-29
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Tillotson Howard Thomas
- 👤 Rice John
- 👤 Goodall Charles Clifford Owen
- 👤 Greenaway Ernest Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:43
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/06; G03D5/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A DEVICE FOR CONTACTING EXPOSED DEVELOPER CONTAINING GELATINO SILVER HALIDE PHOTOGRAPHIC SHEET MATERIAL WITH ACTIVATOR SOLUTION FOLLOWED BY STABILIZER SOLUTION WHICH COMPRISES A CONTAINER FOR EACH SAID SOLUTION, AT LEAST ONE MOISTENING ROLLER MOUNTED IN THE ACTIVATOR SOLUTION CONTAINER AND PARTIALLY IMMERSED IN SAID ACTIVATOR SOLUTION WHEREBY TO MOISTEN THE SENSITIVE LAYER OF A PHOTOGRAPHIC SHEET PASSED OVER SAID MOISTENING ROLLER, GUIDING MEANS FOR LEADING THE PHOTOGRAPHIC SHEET THUS MOISTENED INTO THE NIP OF TWO ROLLERS, ONE MOUNTED ABOVE THE OTHER, THE TOP ROLLER BEING DRIVEN AND THE LOWER ROLLER BEING PARTIALLY IMMERSED IN THE STABILIZER SOLUTION, THE TWO SAID ROLLERS BEING MOUNTED IN THE STABILIZER SOLUTION CONTAINER, THEREBY ENSURING THAT THE SAID PHOTOGRAPHIC SHEET IS UNIFORMLY WETTED BY THE STABILIZER SOLUTION, AND GUIDING MEANS MOUNTED IN THE STABILIZER CONTAINER AND ADAPTED TO RECEIVE AND GUIDE THE PHOTOGRAPHIC SHEET INTO THE STABILIZER SOLUTION THEREBY TO ENSURE THAT THE SHEET IS TOTALLY IMMERSED IN THE STABILIZER SOLUTION.
Claim 2
Independent Claim
156 words
A DEVICE FOR CONTACTING EXPOSED DEVELOPER CONTAINING GELATINO SILVER HALIDE PHOTOGRAPHIC SHEET MATERIAL WITH ACTIVATOR SOLUTION FOLLOWED BY STABILIZER SOLUTION WHICH COMPRISES A CONTAINER FOR EACH SAID SOLUTION, AT LEAST ONE MOISTENING ROLLER MOUNTED IN THE ACTIVATOR SOLUTION CONTAINER AND PARTIALLY IMMERSED IN SAID ACTIVATOR SOLUTION WHEREBY TO MOISTEN THE SENSITIVE LAYER OF A PHOTOGRAPHIC SHEET PASSED OVER SAID MOISTENING ROLLER, GUIDING MEANS FOR LEADING THE PHOTOGRAPHIC SHEET THUS MOISTENED INTO THE NIP OF TWO ROLLERS, ONE MOUNTED ABOVE THE OTHER, THE TOP ROLLER BEING DRIVEN AND THE LOWER ROLLER BEING PARTIALLY IMMERSED IN THE STABILIZER SOLUTION, THE TWO SAID ROLLERS BEING MOUNTED IN THE STABILIZER SOLUTION CONTAINER, THEREBY ENSURING THAT THE SAID PHOTOGRAPHIC SHEET IS UNIFORMLY WETTED BY THE STABILIZER SOLUTION, AND GUIDING MEANS MOUNTED IN THE STABILIZER CONTAINER AND ADAPTED TO RECEIVE AND GUIDE THE PHOTOGRAPHIC SHEET INTO THE STABILIZER SOLUTION THEREBY TO ENSURE THAT THE SHEET IS TOTALLY IMMERSED IN THE STABILIZER SOLUTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |