US3152579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copy holder
Assignee: Unisys Corp
•
Filing: 1960-02-17
•
Granted: 1964-10-13
•
Expires: 1980-02-17
Abstract
No abstract record available.
Inventors
- 👤 Eric H Rask
- 👤 Walter H Olson
- 👤 Ellsworth L Reitsma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:24
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A COPY HOLDER; COMPRISING (A) A PAPER PLATEN ADAPTED TO RECEIVE COPY THEREABOUT; (B) A CLUTCH MECHANISM COACTING WITH SAID PLATEN TO OPERATE THE SAME AND THEREBY EFFECT A MOVEMENT OF SAID PAPER, PLATEN AND COPY; (C) A MOVABLE KEY LEVER HAVING AN ARCUATE SEAT PORTION; (D) A CONNECTION BETWEEN SAID LEVER AND SAID CLUTCH MECHANISM FOR TRANSMITTING THE MOTION OF SAID KEY LEVER TO SAID CLUTCH MECHANISM AND THEREBY TO SAID PAPER PLATEN AND COPY;
Claim 2
Dependent Claim
76 words
A COPY HOLDER; COMPRISING (A) A PAPER PLATEN ADAPTED TO RECEIVE COPY THEREABOUT; (B) A CLUTCH MECHANISM COACTING WITH SAID PLATEN TO OPERATE THE SAME AND THEREBY EFFECT A MOVEMENT OF SAID PAPER, PLATEN AND COPY; (C) A MOVABLE KEY LEVER HAVING AN ARCUATE SEAT PORTION; (D) A CONNECTION BETWEEN SAID LEVER AND SAID CLUTCH MECHANISM FOR TRANSMITTING THE MOTION OF SAID KEY LEVER TO SAID CLUTCH MECHANISM AND THEREBY TO SAID PAPER PLATEN AND COPY;
References Cited (Backward Citations)
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US425406A
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US1244322A
Cited
US1637384A
Cited
US1773879A
Cited
US2068894A
Cited
US2595647A
Cited
US2736526A
Cited
US2803218A
Cited
US2866446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |