US2670312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for motionpicture color photography
Assignee: Eastman Kodak Co
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Filing: 1950-08-24
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Granted: 1954-02-23
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Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 John G Capstaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:17
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/22; Y; Y10; Y10S; Y10S430/00; Y10S430/135; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/1189; Y10T156/17; Y10T156/1702; Y10T156/1705
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
THE PROCESS OF TRANSFERRING SUCCESSIVELY TO TWO SEPARATE UNSENSITIZED TRANSFER FILMS TWO EMULSION LAYERS FROM A MULTILAYER FILM HAVING A PLURALITY OF EMULSION LAYERS THEREON SEPARATED BY ADHESIVE INTERLAYERS BY AN OPERATION WHICH COMPRISES SUBMITTING THE MULTILAYER FILM TO A BATH WHICH SOFTENS THE TOPMOST INTERLAYER AND RENDERS THE UPPERMOST EMULSION LAYER ADHESIVE, PRESSING THE FIRST TRANSFER FILM INTO CONTACT WITH THE MULTILAYER FILM AND SECURING THESE IN REGISTRATION UNTIL THE TOP EMULSION LAYER IS FIRMLY ADHERENT TO THE TRANSFER FILM, AND THEN STRIPPING THE TRANSFER FILM WITH THE TOPMOST EMULSION LAYER ADHERING THERETO FROM THE MULTILAYER FILM, CHARACTERIZED BY PERFORMING THE STRIPPING OPERATION WHILE THE FILMS ARE SUBMERGED IN A BATH AND WITHOUT REMOVAL OF THE STRIPPED MULTILAYER FILM FROM THE BATH PASSING THE LATTER FILM TO THE NEXT STATION AT WHICH IT IS PRESSED, WHILE STILL SUBMERGED, INTO CONTACT WITH THE SECOND TRANSFER FILM.
Claim 2
Dependent Claim
146 words
THE PROCESS OF TRANSFERRING SUCCESSIVELY TO TWO SEPARATE UNSENSITIZED TRANSFER FILMS TWO EMULSION LAYERS FROM A MULTILAYER FILM HAVING A PLURALITY OF EMULSION LAYERS THEREON SEPARATED BY ADHESIVE INTERLAYERS BY AN OPERATION WHICH COMPRISES SUBMITTING THE MULTILAYER FILM TO A BATH WHICH SOFTENS THE TOPMOST INTERLAYER AND RENDERS THE UPPERMOST EMULSION LAYER ADHESIVE, PRESSING THE FIRST TRANSFER FILM INTO CONTACT WITH THE MULTILAYER FILM AND SECURING THESE IN REGISTRATION UNTIL THE TOP EMULSION LAYER IS FIRMLY ADHERENT TO THE TRANSFER FILM, AND THEN STRIPPING THE TRANSFER FILM WITH THE TOPMOST EMULSION LAYER ADHERING THERETO FROM THE MULTILAYER FILM, CHARACTERIZED BY PERFORMING THE STRIPPING OPERATION WHILE THE FILMS ARE SUBMERGED IN A BATH AND WITHOUT REMOVAL OF THE STRIPPED MULTILAYER FILM FROM THE BATH PASSING THE LATTER FILM TO THE NEXT STATION AT WHICH IT IS PRESSED, WHILE STILL SUBMERGED, INTO CONTACT WITH THE SECOND TRANSFER FILM.
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) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |