Patent US3190430A successfully refreshed from Google Patents.
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 20:47
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,
References Cited (Backward Citations)
US2734615A
Cited
US420870A
Cited
US580654A
Cited
US267367A
Cited
US747917A
Cited
US860978A
Cited
US2305045A
Cited
US2322737A
Cited
US2278009A
Cited
US2554028A
Cited
US2692738A
Cited
US2815110A
Cited
US2934284A
Cited
US2919008A
Cited
US3022724A
Cited
US3038582A
Cited
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 |