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US3177512A Expired / Lapsed US ⏱️ 0.0 years remaining

Type cleaning device

Assignee: Individual
•
Filing: 1962-04-03
•
Granted: 1965-04-13
•
Expires: 1982-04-03
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Abstract

No abstract record available.

Inventors

  • 👤 Balaban Philip

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 13:29
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/17

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
IN A DEVICE FOR CLEANING THE TYPE FACE OF A TYPEWRITER, AN ELEMENT HAVNG A BODY FROM WHICH A STUB SHAFT EXTENDS IN ONE DIRECTION AND HANDLE EXTENDS IN ANOTHER DIRECTION, SAID STUB SHAFT HAVING AN ENLARGED INTEGRAL END THEREON, ROLLER HAVING A SLOTTED PERIPHERAL WALL, A SINGLE END WALL AND A CENTRAL FLEXIBLE SLEEVE EXTENDING WITHIN SAID PERIPHERAL WALL FROM SAID END WALL, SAID SLEEVE EXTENDING OVER THE STUB SHAFT FOR ROTATION THEREON AND SECURED BY SAID ENLARGED END, SAID SLEEVE BEING ADAPTED TO BE FLEXED WHEN PASSED OVER THE HEAD OF SAID STUB SHAFT, AND A STRIP OF MATERIAL HAVING A MAIN PORTION OF TACKY MATERIAL AND AN EDGEWISE PROJECTING ADHESIVE EDGE PORTION, SAID EDGE PORTION EXTENDING THROUGH THE SLOT OF THE PERIPHERAL WALL AND ADHERING TO AN INNER PORTION OF THE ROLLER AND HAVING A PORTION WHICH SECURES THE OPPOSITE END OF THE STRIP TO THE ADJACENT END THEREOF WHEN IN ENGAGEMENT WITH THE OUTER PERIPHERAL SURFACE OF THE ROLLER.
Claim 2
Dependent Claim 163 words
IN A DEVICE FOR CLEANING THE TYPE FACE OF A TYPEWRITER, AN ELEMENT HAVNG A BODY FROM WHICH A STUB SHAFT EXTENDS IN ONE DIRECTION AND HANDLE EXTENDS IN ANOTHER DIRECTION, SAID STUB SHAFT HAVING AN ENLARGED INTEGRAL END THEREON, ROLLER HAVING A SLOTTED PERIPHERAL WALL, A SINGLE END WALL AND A CENTRAL FLEXIBLE SLEEVE EXTENDING WITHIN SAID PERIPHERAL WALL FROM SAID END WALL, SAID SLEEVE EXTENDING OVER THE STUB SHAFT FOR ROTATION THEREON AND SECURED BY SAID ENLARGED END, SAID SLEEVE BEING ADAPTED TO BE FLEXED WHEN PASSED OVER THE HEAD OF SAID STUB SHAFT, AND A STRIP OF MATERIAL HAVING A MAIN PORTION OF TACKY MATERIAL AND AN EDGEWISE PROJECTING ADHESIVE EDGE PORTION, SAID EDGE PORTION EXTENDING THROUGH THE SLOT OF THE PERIPHERAL WALL AND ADHERING TO AN INNER PORTION OF THE ROLLER AND HAVING A PORTION WHICH SECURES THE OPPOSITE END OF THE STRIP TO THE ADJACENT END THEREOF WHEN IN ENGAGEMENT WITH THE OUTER PERIPHERAL SURFACE OF THE ROLLER.

References Cited (Backward Citations)

US434295A Cited
US1705998A Cited
GB594225A Cited
US2592969A Cited
US2624060A Cited
US2610882A Cited
FR1112091A Cited
US2807039A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-12 1968-10-12 1969-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-12 1972-10-12 1973-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-12 1976-10-12 1977-04-13 $7700.00 Window Closed / Lapsed

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