US3142241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for developing films, a device and a material for carrying out this method
Assignee: Lumoprint Zindler KG and Co GmbH
•
Filing: 1961-03-06
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Granted: 1964-07-28
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Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Limberger Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:53
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN AN APPARATUS FOR TREATING PHOTOGRAPHIC EMULSIONCARRYING FILM, FRAME MEANS, GUIDE MEANS SUPPORTED BY SAID FRAME MEANS AND FORMING A GUIDE PATH FOR SAID FILM, TREATMENT MEANS SUPPORTED IN SAID FRAME MEANS AND PROJECTING INTO SAID GUIDE PATH IN POSITION TO CONTACT SAID EMULSION ON THE FILM AS SAID FILM IS OVED ALONG SAID GUIDE PATH, SAID TREATMENT MEANS COMPRISING A MEMBER MADE OF FUSIBLE MATERIAL HAVING AN EMULSION TREATMENT CHEMICAL IN A SOLID STATE DISTRIBUTED THEREIN, SUPPLY MEANS FOR SUPPLYING A MEDIUM TO SAID TREATMENT MEANS TO FUSE SAID CHEMICAL THEREIN, AND CONTROL MEANS FOR CONTROLLING ACTUATION OF SAID SUPPLY MEANS, WHEREBY SAID CHEMICAL IS SELECTIVELY RELEASED FOR ACTION UPON SAID EMULSION.
Claim 2
Dependent Claim
113 words
IN AN APPARATUS FOR TREATING PHOTOGRAPHIC EMULSIONCARRYING FILM, FRAME MEANS, GUIDE MEANS SUPPORTED BY SAID FRAME MEANS AND FORMING A GUIDE PATH FOR SAID FILM, TREATMENT MEANS SUPPORTED IN SAID FRAME MEANS AND PROJECTING INTO SAID GUIDE PATH IN POSITION TO CONTACT SAID EMULSION ON THE FILM AS SAID FILM IS OVED ALONG SAID GUIDE PATH, SAID TREATMENT MEANS COMPRISING A MEMBER MADE OF FUSIBLE MATERIAL HAVING AN EMULSION TREATMENT CHEMICAL IN A SOLID STATE DISTRIBUTED THEREIN, SUPPLY MEANS FOR SUPPLYING A MEDIUM TO SAID TREATMENT MEANS TO FUSE SAID CHEMICAL THEREIN, AND CONTROL MEANS FOR CONTROLLING ACTUATION OF SAID SUPPLY MEANS, WHEREBY SAID CHEMICAL IS SELECTIVELY RELEASED FOR ACTION UPON SAID EMULSION.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |