US3405637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary ribbon printer
Assignee: Unisys Corp
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Filing: 1966-03-30
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Granted: 1968-10-15
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Richard H Colwill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:34
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/54; B41K3/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A ROTARY RIBBON PRINTER COMPRISING A ROTARY PRINT MEMBER AND A ROTARY PLATEN COOPERATING THEREWITH, A PINCONNECTED FRAME OF MORE THAN THREE SIDES HAVING TWO CORNERS OF SAID FRAME FIXED WITH RESPECT TO SAID PRINT MEMBER, ONE SIDE OF SAID FRAME LYING SUBSTANTIALLY ALONG THE LINE OF CONTACT BETWEEN SAID PRINT MEMBER AND SAID PLATEN, MEANS TO OSCILLATE SAID ONE SIDE OF SAID FRAME IN THE DIRECTION OF MOVEMENT OF SAID PRINT MEMBER FOR A SHORT DISTANCE CORRESPONDING TO A DESIRED AMOUNT OF PRINTING AND TO RETURN SAID FRAME SAID SHORT DISTANCE, AND A TRANSFER RIBBON GUIDED ABOUT SAID PIN-CONNECTED FRAME AND UNDER SLIGHT TENSION, WHEREBY SAID TRANSFER RIBBON MOVES TOGETHER WITH SAID FRAME, AND MEANS TO ADVANCE SAID TRANSFER RIBBON CONTINUOUSLY AND SMOOTHLY AROUND SAID FRAME.
Claim 2
Dependent Claim
127 words
A ROTARY RIBBON PRINTER COMPRISING A ROTARY PRINT MEMBER AND A ROTARY PLATEN COOPERATING THEREWITH, A PINCONNECTED FRAME OF MORE THAN THREE SIDES HAVING TWO CORNERS OF SAID FRAME FIXED WITH RESPECT TO SAID PRINT MEMBER, ONE SIDE OF SAID FRAME LYING SUBSTANTIALLY ALONG THE LINE OF CONTACT BETWEEN SAID PRINT MEMBER AND SAID PLATEN, MEANS TO OSCILLATE SAID ONE SIDE OF SAID FRAME IN THE DIRECTION OF MOVEMENT OF SAID PRINT MEMBER FOR A SHORT DISTANCE CORRESPONDING TO A DESIRED AMOUNT OF PRINTING AND TO RETURN SAID FRAME SAID SHORT DISTANCE, AND A TRANSFER RIBBON GUIDED ABOUT SAID PIN-CONNECTED FRAME AND UNDER SLIGHT TENSION, WHEREBY SAID TRANSFER RIBBON MOVES TOGETHER WITH SAID FRAME, AND MEANS TO ADVANCE SAID TRANSFER RIBBON CONTINUOUSLY AND SMOOTHLY AROUND SAID FRAME.
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) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |