US3190430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon handling mechanism
Assignee: Royal Mcbee Corp
•
Filing: 1962-10-17
•
Granted: 1965-06-22
•
Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Robert E Mcgrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:21
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/14; B41J33/54; B41J33/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A CARBON RIBBON HANDLING MECHANISM FOR A MATRIX WRITING MACHINE HAVING A PRINTING HEAD MOUNTED ON A CARRIAGE THAT TRAVELS HORIZONTALLY DURING THE PRINTING OPERATION, SAID MECHANISM COMPRISING, IN COMBINATION, A ROTATABLE RIBBON SUPPLY SPOOL MOUNTED ON SUCH CARRIAGE, THE AXIAL DEPTH OF SUCH SUPPLY SPOOL BEING SUBSTANTIALLY GREATER THAN THE WIDTH OF THE CARBON RIBBON, A RIBBON TAKE-UP SPOOL OF THE SAME AXIAL DEPTH AS SAID SUPPLY SPOOL, MEANS ROTATABLY MOUNTING SAID TAKE-UP SPOOL ON SAID CARRIAGE, A PAIR OF RIBBON FEEDING ROLLERS ROTATABLY MOUNTED ON SAID CARRIAGE AND ADAPTED TO EMBRACE AND FEED A CARBON RIBBON,
Claim 2
Dependent Claim
99 words
IN A CARBON RIBBON HANDLING MECHANISM FOR A MATRIX WRITING MACHINE HAVING A PRINTING HEAD MOUNTED ON A CARRIAGE THAT TRAVELS HORIZONTALLY DURING THE PRINTING OPERATION, SAID MECHANISM COMPRISING, IN COMBINATION, A ROTATABLE RIBBON SUPPLY SPOOL MOUNTED ON SUCH CARRIAGE, THE AXIAL DEPTH OF SUCH SUPPLY SPOOL BEING SUBSTANTIALLY GREATER THAN THE WIDTH OF THE CARBON RIBBON, A RIBBON TAKE-UP SPOOL OF THE SAME AXIAL DEPTH AS SAID SUPPLY SPOOL, MEANS ROTATABLY MOUNTING SAID TAKE-UP SPOOL ON SAID CARRIAGE, A PAIR OF RIBBON FEEDING ROLLERS ROTATABLY MOUNTED ON SAID CARRIAGE AND ADAPTED TO EMBRACE AND FEED A CARBON RIBBON,
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |