Patent US3158093A successfully refreshed from Google Patents.
US3158093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing devices
Assignee: Individual
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Filing: 1961-08-08
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Granted: 1964-11-24
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Expires: 1981-08-08
Abstract
No abstract record available.
Inventors
- 👤 John W Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:32
CPC Classifications
B; B41; B41L; B41L45/00; B41L45/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A PRINTING MECHANISM INCLUDING SUPPORTING MEANS, A PLATEN ARM PIVOTALLY MOUNTED ON SUPPORTING MEANS FOR OSCILLATION BETWEEN A PRINTING POSITION AND A NORMAL ATREST POSITION, AN INKED RIBBON EXTENDING ACROSS SAID PRINTING POSITION, TWO SPOOLS ROTATABLY SUPPORTED BY SAID SUPPORTING MEANS IN SUBSTANTIALLY PARALLEL RELATION TO EACH OTHER, SAID RIBBON BEING WRAPPED ON SAID SPOOLS AND SUPPORTED THEREBY, EACH OF SAID SPOOLS HAVING A RATCHET WHEEL THEREON, AND AN ELONGATED LEVER SELECTIVELY OPERATIVELY ENGAGEABLE WITH SAID RATCHET WHEELS AND RECIPROCABLE LONGITUDINALLY TO THEREBY ROTATE SAID RATCHET WHEELS AND SPOOLS AND THEREBY MOVE SAID INKED RIBBON ACROSS SAID PRINTING POSITION, MEANS FOR SO RECIPROCATING SAID LEVER AND THEREBY ROTATE SAID SPOOLS IN TIMED RELATION TO SAID OSCILLATION OF SAID PLATEN ARM, SAID LAST-MENTIONED MEANS INCLUDING ANOTHER LEVER PIVOTALLY MOUNTED ON SAID SUPPORTING MEANS FOR OSCILLATION THROUGH A PREDETERMINED PATH OF MOVEMENT, A LINK OPERATIVELY CONNECTING SAID OTHER LEVER TO SAID ELONGATED LEVER IN POSITION TO SO RECIPROCATE SAID ELONGATED LEVER UPON SAID OSCILLATION OF SAID OTHER LEVER,
Claim 2
Dependent Claim
167 words
IN A PRINTING MECHANISM INCLUDING SUPPORTING MEANS, A PLATEN ARM PIVOTALLY MOUNTED ON SUPPORTING MEANS FOR OSCILLATION BETWEEN A PRINTING POSITION AND A NORMAL ATREST POSITION, AN INKED RIBBON EXTENDING ACROSS SAID PRINTING POSITION, TWO SPOOLS ROTATABLY SUPPORTED BY SAID SUPPORTING MEANS IN SUBSTANTIALLY PARALLEL RELATION TO EACH OTHER, SAID RIBBON BEING WRAPPED ON SAID SPOOLS AND SUPPORTED THEREBY, EACH OF SAID SPOOLS HAVING A RATCHET WHEEL THEREON, AND AN ELONGATED LEVER SELECTIVELY OPERATIVELY ENGAGEABLE WITH SAID RATCHET WHEELS AND RECIPROCABLE LONGITUDINALLY TO THEREBY ROTATE SAID RATCHET WHEELS AND SPOOLS AND THEREBY MOVE SAID INKED RIBBON ACROSS SAID PRINTING POSITION, MEANS FOR SO RECIPROCATING SAID LEVER AND THEREBY ROTATE SAID SPOOLS IN TIMED RELATION TO SAID OSCILLATION OF SAID PLATEN ARM, SAID LAST-MENTIONED MEANS INCLUDING ANOTHER LEVER PIVOTALLY MOUNTED ON SAID SUPPORTING MEANS FOR OSCILLATION THROUGH A PREDETERMINED PATH OF MOVEMENT, A LINK OPERATIVELY CONNECTING SAID OTHER LEVER TO SAID ELONGATED LEVER IN POSITION TO SO RECIPROCATE SAID ELONGATED LEVER UPON SAID OSCILLATION OF SAID OTHER LEVER,
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |