US2643950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of transferring an image-bearing gelatin layer to another film base
Assignee: EIDP Inc
•
Filing: 1950-01-18
•
Granted: 1953-06-30
•
Expires: 1970-01-18
Abstract
No abstract record available.
Inventors
- 👤 Umberger Jacob Quentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:58
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A PROCESS WHICH COMPRISES EXPOSING TO A MULTICOLOR SCENE A PERFORATED MOTION PICTURE STRIPPING FILM HAVING AN OUTER LIGHT-SENSITIVE GELATIN SILVER HALIDE EMULSION LAYER RELEASABLY JOINED BY MEANS OF A WATER-SOLUBLE ADHESIVE TO A LAYER ON THE FILM, GIVING THE FILM A FLASH EXPOSURE TO LIGHT ALONG THE PERFORATED EDGES OF THE FILM, DEVELOPING, FIXING, WASHING AND DRYING SAID FILM, SOAKING THE PROCESSED FILM IN AN AQUEOUS BATH, PRESSING THE WEB SURFACE OF SAID OUTER LAYER INTO REGISTRATION CONTACT WITH THE GELATIN SURFACE OF A SIMILARLY PERFORATED BLANK FILM, HEATING THE COMBINED FILMS WITH INFRARED RAYS TO BLEND THE ADHERENT GELATIN SURFACES, AND STRIPPING THE GELATIN BLANK FILM WITH ITS ADHERENT SILVER-IMAGE-BEARING LAYER FROM THE REMAINDER OF THE STRIPPING FILM.
References Cited (Backward Citations)
US2038118A
Cited
US2248213A
Cited
US2266435A
Cited
US2415442A
Cited
GB574138A
Cited
US2417060A
Cited
US2462503A
Cited
US2459279A
Cited
US2572967A
Cited
US2492952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |