US3114447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon for typing and obliterating
Assignee: Individual
•
Filing: 1961-04-04
•
Granted: 1963-12-17
•
Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 William H Wolowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:31
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A COMPOSITE INKING AND OBLITERATING RIBBON FOR TYPEWRITERS, COMPRISING AN ELONGATED FLEXIBLE RIBBON HAVING AT LEAST ONE LONGITUDINAL HALF INKED FOR TRANSFERRING VISIBLE IMPRESSIONS TO AN IMPRESSION SHEET, AND THE OTHER LONGITUDINAL HALF SECURED BETWEEN ELONGATED LEAVES OF SMOOTH, INK-IMPERVIOUS TAPE MATERIAL; SAID LEAVES BEING INTERCONNECTED TO ONE ANOTHER ADJACENT ONE ELONGATED EDGE OF SAID FLEXIBLE RIBBON; AT LEAST ONE OF SAID LEAVES HAVING ITS EXTERIOR SURFACE COVERED WITH AN IMPACT-TRANSFERABLE COATING OF AN OPAQUE SUBSTANCE HAVING ADHERENT PROPERTIES.
Claim 2
Dependent Claim
79 words
A COMPOSITE INKING AND OBLITERATING RIBBON FOR TYPEWRITERS, COMPRISING AN ELONGATED FLEXIBLE RIBBON HAVING AT LEAST ONE LONGITUDINAL HALF INKED FOR TRANSFERRING VISIBLE IMPRESSIONS TO AN IMPRESSION SHEET, AND THE OTHER LONGITUDINAL HALF SECURED BETWEEN ELONGATED LEAVES OF SMOOTH, INK-IMPERVIOUS TAPE MATERIAL; SAID LEAVES BEING INTERCONNECTED TO ONE ANOTHER ADJACENT ONE ELONGATED EDGE OF SAID FLEXIBLE RIBBON; AT LEAST ONE OF SAID LEAVES HAVING ITS EXTERIOR SURFACE COVERED WITH AN IMPACT-TRANSFERABLE COATING OF AN OPAQUE SUBSTANCE HAVING ADHERENT PROPERTIES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |