Patent US3470059A successfully refreshed from Google Patents.
US3470059A
Expired / Lapsed
US
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Matrix for molding a positive relief impression
Assignee: 3M Co
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Filing: 1965-12-22
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Granted: 1969-09-30
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Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Nelson Jonnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:03
CPC Classifications
B; B41; B41C; B41C3/00; Y; Y10; Y10S; Y10S264/00; Y10S264/06; Y10S428/00; Y10S428/908; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249971; Y10T428/249974; Y10T428/249982; Y10T428/249986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A MATRIX FOR MOLDING A POSITIVE RELIEF IMPRESSION OF A DESIRED IMAGE ON A RECEPTOR SHEET COMPRISING, A BASE SHEET OVERCOATED WITH A LAYER OF FRACTURABLE HOLLOW MICROBUBBLES UNIFIED WITHIN THE LAYER BY A LOW SHEAR, NON-RESILIENT BINDER, AND A THIN DUCTILE RELEASE FILM LAMINATED TO THE BUBBLE LAYER, SAID LAYER AND FILM REVEIVING APERMANENT, SHARPLY DEFINED NEGATIVE RELIEF IMPRESSION OF THE DESIRED IMAGE UPON INSTANTANEOUS IMPACT WITH AN IMAGE BEARING SLUG SUFFICIENT TO FRACTURE THE BUBBLES.
Claim 2
Dependent Claim
77 words
A MATRIX FOR MOLDING A POSITIVE RELIEF IMPRESSION OF A DESIRED IMAGE ON A RECEPTOR SHEET COMPRISING, A BASE SHEET OVERCOATED WITH A LAYER OF FRACTURABLE HOLLOW MICROBUBBLES UNIFIED WITHIN THE LAYER BY A LOW SHEAR, NON-RESILIENT BINDER, AND A THIN DUCTILE RELEASE FILM LAMINATED TO THE BUBBLE LAYER, SAID LAYER AND FILM REVEIVING APERMANENT, SHARPLY DEFINED NEGATIVE RELIEF IMPRESSION OF THE DESIRED IMAGE UPON INSTANTANEOUS IMPACT WITH AN IMAGE BEARING SLUG SUFFICIENT TO FRACTURE THE BUBBLES.
References Cited (Backward Citations)
US2957791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |