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US3608284A Expired / Lapsed US ⏱️ 0.0 years remaining

Gang mower

Assignee: Deere and Co
•
Filing: 1970-04-09
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Granted: 1971-09-28
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Expires: 1990-04-09
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Abstract

Abstract A GANG MOWER ASSEMBLY IS CONNECTED TO A LAWN AND GARDEN TRACTOR HAVING A ROTARY MOWER SUSPENDED THEREBENEATH AND INCLUDES A DRAFT FRAME RIGIDLY CONNECTED TO THE REAR OF THE TRACTOR, A PAIR OF TRANSVERSELY EXTENDING DRAFT TUBES PIVOTALLY CONNECTED TO THE OPPOSITE SIDES OF THE DRAFT FRAME FOR VERTICAL PIVOTING MOVEMENT AND A PAIR OF WHEELED ROTARY MOWER UNITS ARTICULATELY CONNECTED TO THE DRAFT TUBES FOR VERTICAL PIVOTING MOVEMENT ABOUT THE DRAFT TUBES AND ROCKING MOVEMENT ABOUT FORE-AND-AFT EXTENDING AXES. THE MOWER ASSEMBLIES ARE SLIDABLE ALONG THE DRAFT TUBES AND POWER MEANS ARE PROVIDED TO MOVE THE MOWER ASSEMBLIES BETWEEN EXTENDING WORKING POSITIONS AND RETRACTED TRANSPORT POSITIONS.

Inventors

  • 👤 Leon Paul Erdman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 16:54
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/30; A01D75/306; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/661; A01D75/303

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) 1974-09-27 1975-03-29 1975-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-27 1979-03-29 1979-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-27 1983-03-29 1983-09-28 $7700.00 Window Closed / Lapsed

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