US3623908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erasure process for dry transfer pigmented inks
Assignee: NCR Voyix Corp
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Filing: 1970-04-02
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Granted: 1971-11-30
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Expires: 1990-04-02
Abstract
Abstract AN ERASURE PROCESS FOR THE SUBSTANTIAL REMOVAL OF A DRY TRANSFER PIGMENTED INK FROM AN ENCODED MEDIUM WHICH COMPRISES APPLYING A COMPOSITION COMPRISING AN ELASTOMERIC MATERIAL AND A VOLATILE ORGANIC SOLVENT TO THE ENCODED SURFACE OF A MEDIUM AS A SUBSTANTIALLY CONTINOUS THIN FILM. THE VOLATILE ORGANIC SOLVENT IS THEN EVAPORATED FROM THE COMPOSITION THEREBY LEAVING A THIN SUBSTANTIALLY DRY ELASTOMERIC FILM IS THEN REMOVED FROM THE ENCODED SURFACE THEREBY REMOVING DRY TRANSFER PIGMENTED INK FROM THE MEDIUM CONTACTED BY THE ELASTOMERIC FILM WITHOUT ANY SUBSTANTIAL DAMAGE TO THE ERASED MEDIUM.
Inventors
- 👤 Stanley R Hermann
- 👤 Charles T Fellows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:47
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/26; B41J29/36; B41J29/373
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |