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US3572294A Expired / Lapsed US ⏱️ 0.0 years remaining

Cow controller

Assignee: Individual
•
Filing: 1968-04-05
•
Granted: 1971-03-23
•
Expires: 1988-04-05
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Abstract

Abstract A DEVICE WHEREIN POSITIVE PRESSURE IS APPLIED IN THE SWAY OF THE BACK OF AN ANIMAL TO PREVENT ARCHING OF THE BACK TO THEREBY PREVENT KICKING AND SIDEWISE MOVEMENT OF THE ANIMAL. THE PRESSURE BAR IS CURVED SO AS TO FIT THE CONTOUR OF THE BACK BUT WITH A SPECIAL STRAIGHT PORTION TO EFFECTIVELY ENGAGE THE BACKBONE. A SPRING IS UTILIZED TO NORMALLY RETAIN THE PRESSURE BAR IN AN INOPERATIVE POSITION AND AN OPPOSED CHAIN IS USED FOR ADJUSTABLE HOLDDOWN WHEREBY THE DEVICE CAN BE QUICKLY ENGAGED AND DISENGAGED. THE PRESURE BAR ASSEMBLY IS POSITIONED AT AN ANGLE TO THE ANIMAL IN THE OPERATIVE POSITION TO PREVENT OVERCENTER TRAVEL AND RESULTANT LOSS OF POSITIVE PRESSURE. ADJUSTMENTS ARE PROVIDED TO MAKE ROUGH ADJUSTMENTS FOR DIFFERENT SIZE ANIMALS.

Inventors

  • 👤 Wallace L Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 05:28
CPC Classifications
A; A01; A01K; A01K15/00; A01K15/04; A01K1/00; A01K1/06; A01K1/0613; A01K1/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-03-22 1974-09-21 1975-03-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-22 1978-09-21 1979-03-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-22 1982-09-21 1983-03-23 $7700.00 Window Closed / Lapsed

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