US3733211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon-inking method
Assignee: WESTATES SPACE ERA PRODUCTS
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Filing: 1971-06-28
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Granted: 1973-05-15
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Expires: 1991-06-28
Abstract
Abstract A USED PREVIOUSLY INKED RIBBON FOR WHICH INK HAS BEEN REMOVED AS A RESULT OF USE CAN BE EFFECTIVELY REINKED SO AS TO BE CAPABLE OF REUSE BY APPLYING INK TO A SURFACE OF THE RIBBON FROM A ROLLER AND THEN BY SUBSEQUENTLY IRONING THE RIBBON. SUCH IRONING INVOLVES APPLYING HEAT TO THE RIBBON WHILE HOLDING THE RIBBON UNDER TENSION, PREFERABLY THE IRONING IS FOLLOWED BY COOLING THE RIBBON.
Inventors
- 👤 F Anderson
- 👤 A Castro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:36
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/14
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) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |