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US3140837A Expired / Lapsed US ⏱️ 0.0 years remaining

Endless tape winding cartridge

Assignee: Individual
•
Filing: 1961-10-16
•
Granted: 1964-07-14
•
Expires: 1981-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Cailliot Serge

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:21
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 186 words
IN AN IMPROVE TAPE-HOLDING CARTRIDGE PROVIDED WITH MEANS FOR DRIVING AN ENDLESS ROLL OF TAPE ROTATABLY MOUNTED THEREIN, SAID CARTRIDGE BEING OF THE TYPE COMPRISING A CENTRAL PLATE ADAPTED TO BE MOUNTED ON AND DRIVEN BY THE TURNTABLE OF A CONVENTIONAL RECORD PLAYER, A CENTRAL SPINDLE DRIVEN BY SAID PLATE, AND CONNECTED THERETO TO DRIVE THE INNER PORTION OF SAID ROLL OF TAPE, A STATION ARY ROLLER CARRIER IN WHICH SAID PLATE IS ROTATABLY INSERTED, AND A PLURALITY OF RADIALLY PROJECTING CYLINDRICAL ROLLERS ROTATABLY MOUNTED IN SAID CARRIER AND DRIVEN BY ROTATION OF SAID CENTRAL PLATE RELATIVE TO SAID STATIONARY ROLLER CARRIER, SAID ROLLERS BEING ADAPTED TO CARRY SAID ROLL OF TAPE, THE IMPROVEMENT WHICH COMPRISES MEANS NEAR THE PERIPHERY OF SAID CARTRIDGE FOR DRIVING A PERIPHERAL PORTION OF SAID ROLL OF TAPE MORE RAPIDLY THAN ITS INNER PORTION IS DRIVEN BY SAID SPINDLE, AND MEANS DRIVEN BY SAID CENTRAL PLATE FOR DRIVING SOME OF SAID ROLLERS AT A PERIPHERAL SPEED SUBSTANTIALLY EQUAL TO THAT AT WHICH SAID TAPE IS DRIVEN BY SAID SPINDLE AND OTHERS OF SAID RADIALLY DISPOSED ROLLERS AT A SLOWER PERIPHERAL SPEED.
Claim 2
Dependent Claim 186 words
IN AN IMPROVE TAPE-HOLDING CARTRIDGE PROVIDED WITH MEANS FOR DRIVING AN ENDLESS ROLL OF TAPE ROTATABLY MOUNTED THEREIN, SAID CARTRIDGE BEING OF THE TYPE COMPRISING A CENTRAL PLATE ADAPTED TO BE MOUNTED ON AND DRIVEN BY THE TURNTABLE OF A CONVENTIONAL RECORD PLAYER, A CENTRAL SPINDLE DRIVEN BY SAID PLATE, AND CONNECTED THERETO TO DRIVE THE INNER PORTION OF SAID ROLL OF TAPE, A STATION ARY ROLLER CARRIER IN WHICH SAID PLATE IS ROTATABLY INSERTED, AND A PLURALITY OF RADIALLY PROJECTING CYLINDRICAL ROLLERS ROTATABLY MOUNTED IN SAID CARRIER AND DRIVEN BY ROTATION OF SAID CENTRAL PLATE RELATIVE TO SAID STATIONARY ROLLER CARRIER, SAID ROLLERS BEING ADAPTED TO CARRY SAID ROLL OF TAPE, THE IMPROVEMENT WHICH COMPRISES MEANS NEAR THE PERIPHERY OF SAID CARTRIDGE FOR DRIVING A PERIPHERAL PORTION OF SAID ROLL OF TAPE MORE RAPIDLY THAN ITS INNER PORTION IS DRIVEN BY SAID SPINDLE, AND MEANS DRIVEN BY SAID CENTRAL PLATE FOR DRIVING SOME OF SAID ROLLERS AT A PERIPHERAL SPEED SUBSTANTIALLY EQUAL TO THAT AT WHICH SAID TAPE IS DRIVEN BY SAID SPINDLE AND OTHERS OF SAID RADIALLY DISPOSED ROLLERS AT A SLOWER PERIPHERAL SPEED.

References Cited (Backward Citations)

US2037601A Cited
US2363403A Cited
US2918536A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-14 1968-01-13 1968-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-14 1972-01-13 1972-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-14 1976-01-13 1976-07-14 $7700.00 Window Closed / Lapsed

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