Patent US3352674A successfully refreshed from Google Patents.
US3352674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and product for image transfer photography
Assignee: Eastman Kodak Co
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Filing: 1964-01-20
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Granted: 1967-11-14
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Donald M Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:53
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52; G03C; G03C8/00; G03C8/42; G03D; G03D9/00; G03D9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
THE METHOD OF PROCESSING A PHOTOGRAPHIC PRODUCT OF THE TYPE COMPRISING A FIRST STRIP OF SHEET MATERIAL HAVING A PHOTOSENSITIVE IMAGE AREA ON ONE FACE THEREOF AND A SECOND STRIP OF SHEET MATERIAL OVERLYING SAID ONE FACE AND HAVING A TRANSFER-IMAGE-RECEPTIVE IMAGE AREA CORRESPONDING TO AND SUBSTANTIALLY COEXTENSIVE WITH SAID PHOTOSENSITIVE AREA AND LYING IN SUBSTANTIAL FACE-TO-FACE CONTACT THEREWITH, SAID IMAGE AREAS BEING ADAPTED FOR CONJOINT PHOTOGRAPHIC PROCESSING IN THE PRESENCE OF AN APPROPRIATE PROCESSING LIQUID, SAID METHOD COMPRISING: EXPOSING SAID PHOTOSENSITIVE IMAGE AREA TO FORM A LATENT IMAGE THEREIN; INJECTING A PREDETERMINED QUANTITY OF A FREE-FLOWING PROCESSING LIQUID BETWEEN SAID IMAGE AREAS WHILE CONFINING SAID LIQUID BETWEEN PREDETERMINED PORTIONS OF SAID STRIPS INCLUDING AT LEAST THOSE PORTIONS BEARING SAID IMAGE AREAS; SUBJECTING SAID CONFINED LIQUID TO, AND MAINTAINING IT FOR A PREDETERMINED PERIOD UNDER, A POSITIVE PRESSURE SUFFICIENT TO SEPARATE AND TO POSITIVELY HOLD SAID IMAGE AREAS SPACED APART FROM ONE ANOTHER THROUGHOUT THEIR EXENT FOR THE DURATION OF SAID PERIOD; AT THE END OF SAID PERIOD, RELEASING SAID CONFINED LIQUID; AND PRESSING SAID IMAGE-AREA-BEARING PORTIONS OF SAID STRIPS TOGETHER, WITH SAID IMAGE AREAS ONCE AGAIN IN INTIMATE FACE-TO-FACE CONTACT WITH ONE ANOTHER.
Claim 2
Independent Claim
194 words
THE METHOD OF PROCESSING A PHOTOGRAPHIC PRODUCT OF THE TYPE COMPRISING A FIRST STRIP OF SHEET MATERIAL HAVING A PHOTOSENSITIVE IMAGE AREA ON ONE FACE THEREOF AND A SECOND STRIP OF SHEET MATERIAL OVERLYING SAID ONE FACE AND HAVING A TRANSFER-IMAGE-RECEPTIVE IMAGE AREA CORRESPONDING TO AND SUBSTANTIALLY COEXTENSIVE WITH SAID PHOTOSENSITIVE AREA AND LYING IN SUBSTANTIAL FACE-TO-FACE CONTACT THEREWITH, SAID IMAGE AREAS BEING ADAPTED FOR CONJOINT PHOTOGRAPHIC PROCESSING IN THE PRESENCE OF AN APPROPRIATE PROCESSING LIQUID, SAID METHOD COMPRISING: EXPOSING SAID PHOTOSENSITIVE IMAGE AREA TO FORM A LATENT IMAGE THEREIN; INJECTING A PREDETERMINED QUANTITY OF A FREE-FLOWING PROCESSING LIQUID BETWEEN SAID IMAGE AREAS WHILE CONFINING SAID LIQUID BETWEEN PREDETERMINED PORTIONS OF SAID STRIPS INCLUDING AT LEAST THOSE PORTIONS BEARING SAID IMAGE AREAS; SUBJECTING SAID CONFINED LIQUID TO, AND MAINTAINING IT FOR A PREDETERMINED PERIOD UNDER, A POSITIVE PRESSURE SUFFICIENT TO SEPARATE AND TO POSITIVELY HOLD SAID IMAGE AREAS SPACED APART FROM ONE ANOTHER THROUGHOUT THEIR EXENT FOR THE DURATION OF SAID PERIOD; AT THE END OF SAID PERIOD, RELEASING SAID CONFINED LIQUID; AND PRESSING SAID IMAGE-AREA-BEARING PORTIONS OF SAID STRIPS TOGETHER, WITH SAID IMAGE AREAS ONCE AGAIN IN INTIMATE FACE-TO-FACE CONTACT WITH ONE ANOTHER.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |