US3272305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon lift mechanism
Assignee: Royal Typewriter Co Inc
•
Filing: 1965-10-22
•
Granted: 1966-09-13
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Paul F Page
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:01
CPC Classifications
B; B41; B41J; B41J35/00; B41J35/04; B41J35/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A MECHANISM FOR MOVING A TYPEWRITER RIBBON VERTICALLY WITH RESPECT TO A POINT OF CONTACT BETWEEN A PRINT ELEMENT WITH A HAMMER OR PLATEN, THE COMBINATION OF, A FRAME, A PAIR OF OUTWARDLY EXTENDING VIBRATOR ARMS PIVOTALLY MOUNTED ON SAID FRAME THE ENDS OF SAID ARMS DESCRIBING AN ARCUATE PATH DURING PIVOTAL MOVEMENT THEREOF, DRIVE MEANS FOR ROCKING SAID ARMS IN SYNCHRONISM WITH EACH TYPING STROKE, RIBBON SUPPORT MEANS PIVOTALLY MOUNTED ON SAID ARMS FOR MAINTAINING THE RIBBON IN A VERTICAL PLANE,
Claim 2
Dependent Claim
83 words
IN A MECHANISM FOR MOVING A TYPEWRITER RIBBON VERTICALLY WITH RESPECT TO A POINT OF CONTACT BETWEEN A PRINT ELEMENT WITH A HAMMER OR PLATEN, THE COMBINATION OF, A FRAME, A PAIR OF OUTWARDLY EXTENDING VIBRATOR ARMS PIVOTALLY MOUNTED ON SAID FRAME THE ENDS OF SAID ARMS DESCRIBING AN ARCUATE PATH DURING PIVOTAL MOVEMENT THEREOF, DRIVE MEANS FOR ROCKING SAID ARMS IN SYNCHRONISM WITH EACH TYPING STROKE, RIBBON SUPPORT MEANS PIVOTALLY MOUNTED ON SAID ARMS FOR MAINTAINING THE RIBBON IN A VERTICAL PLANE,
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |