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US3605906A Expired / Lapsed US ⏱️ 0.0 years remaining

Snowplow with means to facilitate mounting

Assignee: Coates Manufacturing Co
•
Filing: 1969-03-28
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Granted: 1971-09-20
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Expires: 1989-03-28
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Abstract

Abstract A SNOWPLOY FOR ATTACHMENT TO THE FORWARD END OF A VEHICLE SUCH AS A TRUCK OR THE LIKE. THE SNOWPLOW INCLUDES A PAIR OF SPACED APART PUSH ARMS WHICH ARE SECURED AT THEIR REARWARD ENDS TO THE VEHICLE FRAME AND WHICH EXTEND FORWARDLY THEREFROM. A CROSS BEAM MEANS IS SECURED TO AND EXTENDS BETWEEN THE FORWARD ENDS OF THE PUSH ARMS AND HAS A HOLLOW TUBE PROVIDED THEREON ADAPTED TO ROTATABLY RECEIVE A PIVOT SHAFT. THE PIVOT SHAFT EXTENDS REARWARDLY FROM THE BLADE PORTION OF THE SNOWPLOW AND IS REMOVABLY RECEIVED BY THE TUBE TO EFFECT A PIVOTAL OF ROTATIONAL CONNECTION BETWEEN THE CROSS FRAME MEANS AND THE BLADE STRUCTURE. A LOCKING MEANS IS PROVIDED FOR DETACHABLY MAINTAINING THE PIVOT SHAFT IN THE TUBE. A LIFT ARM ASSEMBLY IS CONNECTED TO THE CROSS BEAM MEANS AND THE BLADE STRUCTURE FOR RAISING AND LOWERING THE BLADE STRUCTURE WITH RESPECT TO THE CROSS BEAM MEANS. THE PIVOT SHAFT TUBE IS MOUNTED ON A CROSS BEAM MEMBER WHICH IS ROTATABLE ABOUT A HORIZONTAL AXIS AND MEANS IS PROVIDED FOR YIELDABLY PREVENTING THE ROTATIONAL MOVEMENT OF THE CROSS BEAM MEMBER DURING THE PERIODS WHEN THE BLADE STRUCTURE IS REMOVED FROM THE CROSS BEAM MEANS TO FACILITATE THE SUBSEQUENT ATTACHMENT OF THE BLADE STRUCTURE TO THE CROSS BEAM MEANS.

Inventors

  • 👤 Frank Coates

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:32
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; E01H5/06

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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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