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Carding engines

Assignee: Carding Specialists Canada Ltd
•
Filing: 1958-11-18
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Granted: 1963-04-30
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Expires: 1978-11-18
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Abstract

No abstract record available.

Inventors

  • 👤 Varga Andre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:39
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/36

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 89 words
CARDING MACHINERY COMPRISING A TRAIN OF FIVE SWIFTS AND CO-OPERATING WORKER ROLLERS, MEANS FOR DRIVING THE SWIFTS IN SUCCESSIVELY OPPOSITE DIRECTIONS AND INCREASING SPEEDS, SAID DRIVE MEANS INCLUDING A CONSTANT SPEED DRIVE TO THE LAST OF SAID SWIFTS, A COMMON VARIABLE SPEED BELT DRIVE TO THE PRECEDING TWO SWIFTS FROM A CHANGEABLE PULLEY ON THE SHAFT OF THE LAST CONSTANT SPEED SWIFT, A SEPARATE BELT DRIVE TO EACH OF THE FIRST TWO SWIFTS RESPECTIVELY FROM THE THIRD AND FOURTH SWIFTS, AND VARIABLE SPEED DRIVING MEANS FOR THE WORKER ROLLERS.
Claim 2
Dependent Claim 89 words
CARDING MACHINERY COMPRISING A TRAIN OF FIVE SWIFTS AND CO-OPERATING WORKER ROLLERS, MEANS FOR DRIVING THE SWIFTS IN SUCCESSIVELY OPPOSITE DIRECTIONS AND INCREASING SPEEDS, SAID DRIVE MEANS INCLUDING A CONSTANT SPEED DRIVE TO THE LAST OF SAID SWIFTS, A COMMON VARIABLE SPEED BELT DRIVE TO THE PRECEDING TWO SWIFTS FROM A CHANGEABLE PULLEY ON THE SHAFT OF THE LAST CONSTANT SPEED SWIFT, A SEPARATE BELT DRIVE TO EACH OF THE FIRST TWO SWIFTS RESPECTIVELY FROM THE THIRD AND FOURTH SWIFTS, AND VARIABLE SPEED DRIVING MEANS FOR THE WORKER ROLLERS.

References Cited (Backward Citations)

GB647246A Cited
US2619682A Cited
US2840859A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-29 1966-10-29 1967-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-29 1970-10-29 1971-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-29 1974-10-29 1975-04-30 $7700.00 Window Closed / Lapsed

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