Patent US3236650A successfully refreshed from Google Patents.
US3236650A
Expired / Lapsed
US
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Method for developing films
Assignee: Individual
•
Filing: 1965-04-14
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Granted: 1966-02-22
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Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Limberger Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:18
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/261; G03D; G03D5/00; G03D5/06; G03D5/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF TREATING EXPOSED PHOTOGRPAHIC EMULSIONS ON A LAYER CARRIER, COMPRISING THE STEPS OF FORMING A SOLID MEMBER FROM A FUSION MATERIAL COMBINED WITH A TREATMENT MEDIUM SELECTED FROM THE GROUP CONSISTING OF DEVELOPERS, DEVELOPER FORMING MATERIALS, AND FIXING MATERIALS, CAUSING A SURFACE LAYER OF SAID MEMBER TO DISSOLVE, AND MOVING SAID MEMBER AND LAYER CARRIER RELATIVE TO EACH OTHER WITH SAID DISSOLVED SURFACE LAYER OF THE MEMBER IN CONTACT WITH SAID PHOTOGRAPHIC EMULSION.
Claim 2
Independent Claim
75 words
A METHOD OF TREATING EXPOSED PHOTOGRPAHIC EMULSIONS ON A LAYER CARRIER, COMPRISING THE STEPS OF FORMING A SOLID MEMBER FROM A FUSION MATERIAL COMBINED WITH A TREATMENT MEDIUM SELECTED FROM THE GROUP CONSISTING OF DEVELOPERS, DEVELOPER FORMING MATERIALS, AND FIXING MATERIALS, CAUSING A SURFACE LAYER OF SAID MEMBER TO DISSOLVE, AND MOVING SAID MEMBER AND LAYER CARRIER RELATIVE TO EACH OTHER WITH SAID DISSOLVED SURFACE LAYER OF THE MEMBER IN CONTACT WITH SAID PHOTOGRAPHIC EMULSION.
References Cited (Backward Citations)
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Cited
US2095836A
Cited
US2196901A
Cited
US2682464A
Cited
US2739894A
Cited
US3142241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |