US3299790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film process magazine
Assignee: Mark Systems Inc
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Filing: 1963-10-10
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Granted: 1967-01-24
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Harry N Dieffenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:34
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
154 words
A MECHANISM FOR SIMULTANEOUS PROCESSING OF A PHOTOGRAPHIC FILM OF THE TYPE HAVING A PHOTOGRAPHIC FILM WITH AN EMULSION SIDE ADAPTED TO CREATE A LATENT IMAGE WHEN EXPOSED TO LIGHT AND A MAT FILM HAVING A DEVELOPING SOLUTION IMPREGNATED WITHIN AN EMULSION SIDE OF THE MAT FILM AND IN WHICH DEVELOPMENT OF THE LATENT IMAGE ON THE FILM IS CAUSED BY ACTION OF THE DEVELOPER CARRIED BY THE MAT WHEN AN INTIMATE CONTACT BETWEEN THE EMULSION OF THE FILM AND THE EMULSION OF THE MAT IS EFFECTED, SAID MECHANISM COMPRISING A ROLL OF MAT FILM AND AN ADJACENT ROLL RECEIVING THE MAT''S FILM FROM SAID FIRST ROLL TOGETHER WITH THE PHOTOGRAPHIC FILM, MEANS URGING THE FIRST ROLL OF MATERIAL AGAINST SAID SECOND ROLL OF MATERIAL WITH THE TWO ROLLS COMPRESSED TOGETHER IN TANGENTIAL RELATIONSHIP, SAID PHOTOGRAPHIC FILM AND SAID MAT FILM BEING ROLLED ONTO SAID SECOND REEL WITH THEIR EMULSION SIDES IN FACE-TO-FACE RELATIONSHIP.
References Cited (Backward Citations)
US1083294A
Cited
US3041952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |