US3286808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Typewriter ribbon combination
Assignee: International Business Machines Corp
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Filing: 1964-06-05
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Granted: 1966-11-22
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 John P Arena
- 👤 Delbert L Corman
- 👤 Alwyn B Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:58
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/003; B41J33/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A RIBBON ASSEMBLY COMPRISING: A RIBBON WOUND TO FORM A SPOOL, A LEADER ATTACHED TO SAID RIBBON AT THE END AWAY FROM THE CENTER OF SAID SPOOL AND WOUND ON SAID SPOOL, SAID LEADER BEING CONNECTED TO SAID SPOOL BY ADHESIVE BETWEEN SAID LEADER AND SAID SPOOL, SAID LEADER ALSO HAVING A PORTION EXTENDING AWAY FROM SAID CONNECTED POINT AND THE CENTER OF SAID SPOOL WITH ADHESIVE ON THE SIDE OF SAID EXTENDING PORTION AWAY FROM THE CENTER OF SAID SPOOL, SAID PORTION EXTENDING AWAY AWAY BEING SUFFICIENTLY LONG TO PERMIT FIRM ADHERENCE BY THE ADHESIVE ON IT TO THE HUB OF A TAKE-UP SPOOL FOR SAID RIBBON.
Claim 2
Dependent Claim
108 words
A RIBBON ASSEMBLY COMPRISING: A RIBBON WOUND TO FORM A SPOOL, A LEADER ATTACHED TO SAID RIBBON AT THE END AWAY FROM THE CENTER OF SAID SPOOL AND WOUND ON SAID SPOOL, SAID LEADER BEING CONNECTED TO SAID SPOOL BY ADHESIVE BETWEEN SAID LEADER AND SAID SPOOL, SAID LEADER ALSO HAVING A PORTION EXTENDING AWAY FROM SAID CONNECTED POINT AND THE CENTER OF SAID SPOOL WITH ADHESIVE ON THE SIDE OF SAID EXTENDING PORTION AWAY FROM THE CENTER OF SAID SPOOL, SAID PORTION EXTENDING AWAY AWAY BEING SUFFICIENTLY LONG TO PERMIT FIRM ADHERENCE BY THE ADHESIVE ON IT TO THE HUB OF A TAKE-UP SPOOL FOR SAID RIBBON.
References Cited (Backward Citations)
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |