Patent US3736138A successfully refreshed from Google Patents.
US3736138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for transferring images from a surface to a temporary surface and to a final surface
Assignee: EIDP Inc
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Filing: 1969-06-30
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Granted: 1973-05-29
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Expires: 1989-06-30
Abstract
Abstract AN IMAGE-FORMING PROCESS COMPRISING, IN ORDER: (1) IMAGEWISE EXPOSING PHOTOHARDENABLE MATERIAL TO ACTINIC RADIATION TO HARDEN THE EXPOSED AREAS ONLY, (2) TRANSFERRING THE UNDEREXPOSED AREAS TO A TRANSFER SHEET BY APPLYING PRESSURE THERETO AT A TEMPERATURE AT WHICH THERE IS COHESIVE FAILURE OF THE UNDEREXPOSED AREAS OF THE PHOTOHARDENABLE MATERIAL AND ADHESIVE FAILURE AT THE RELEASE SHEET-PHOTOHARDENED INTERFACE, AND (3) PRESSURE TRANSFERRING THE UNDEREXPOSED IMAGE FROM THE PRESSURE RELEASE SHEET TO A RECEPTOR.
Inventors
- 👤 R P Held
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |