US3682764A
Expired / Lapsed
US
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High impact ribbons
Assignee: International Business Machines Corp
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Filing: 1970-02-17
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Granted: 1972-08-08
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Expires: 1990-02-17
Abstract
Abstract HIGH IMPACT RIBBONS COMPRISE A TRANSFER LAYER OF A POROUS RESIN MATRIX CONTAINING EXPRESSIBLE INK AND A SECOND POLYMER FILM BACKING LAYER COEXTENSIVE WITH AND BONDED TO THE BACK SURFACE OF THE TRANSFER LAYER BY A THIN INTERMEDIATE LAYER OF ELASTOMERIC ADHESIVE POLYMER.
Inventors
- 👤 Hugh T Findlay
- 👤 Sterritt R Fuller Jr
- 👤 Jerry F Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/05; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24959; Y10T428/24967; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249985; Y10T428/249994; Y10T428/249995; Y10T428/249996; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T428/31743; Y10T428/31855; Y10T428/31931
Claims Analysis
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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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |