Adhesively eradicable transfer medium
Abstract
Abstract A TRANSFER MEDIUM OR TYPEWRITER RIBBON IS DISCLOSED WHICH IS CAPABLE OF BEING UTILIZED TO IMPRINT A LETTER AND IF THE LETTER IS ERRONEOUS, WHICH IS SUSCEPTIBLE OF ADHESIVE REMOVAL. THE RIBBON IS MADE OF A HARD, FILM FORMING RESIN WITH SELECTIVE MODIFICATION OF ITS PROPERTIES THROUGH THE ADDITION OF ADDITIVES WHICH EMBRITTLE THE FILM AND MAKE THE RESIN MORE ADHERENT FOR THE IMAGING SURFACE WHILE NOT PENETRATING INTO THE FIBERS OF THE PAPER FIBERS IMAGING SURFACE, AND ATTACHING ITSELF. AS TIME PASSES THERE IS AN INCREASED ATTACHMENT TO THE PAPER FIBERS THEREBY RENDERING A MORE PERMANENT IMAGE. THE RIBBON IS FORMED FROM A SOLVENT BLEND OF RELATIVELY HIGH PROPORTIONS OF TOLUENE AND CORRESPONDINGLY REDUCED ISOPROPANOL.
Inventors
- 👤 S Blair
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |