US3231060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplicating ribbons and method of producing same
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1963-01-25
•
Granted: 1966-01-25
•
Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:19
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/02; B41J31/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A DUPLICATING RIBBON COMPRISING A LIGHTWEIGHT RESILIENT AND ABSORBENT FABRIC WOVEN FROM HOLLOW TUBULAR COILS OF RELATIVELY FLAT THERMOPLASTIC FILM, SAID COILS EACH HAVING A SLIT WHICH SPIRALS ALONG THE ENTIRE LENGTH OF EACH TUBULAR COIL AND WHICH PROVIDES ACCESS TO THE INTERIOR OF THE HOLLOW COILS, SAID RIBBON BEING IMPREGNATED WITH A PRINTING INK WHICH IS ABSORBED INTO THE INTERIOR OF SAID HOLLOW TUBULAR COILS THROUGH SAID SLIT TO FORM RESERVOIRS OF INK WHICH IS PRESSURE-RELEASABLE THROUGH SAID SLIT UNDER THE EFFECT OF IMAGING PRESSURE.
References Cited (Backward Citations)
US1995696A
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US2035320A
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US2403317A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |