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US3220749A Expired / Lapsed US ⏱️ 0.0 years remaining

Trailer hitch

Assignee: Individual
•
Filing: 1962-11-30
•
Granted: 1965-11-30
•
Expires: 1982-11-30
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Abstract

No abstract record available.

Inventors

  • 👤 Martin H Mathisen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 10:39
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/30; B60D1/34; B60D1/345

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 169 words
A TRAILER HITCH COMPRISING A V-SHAPED DRAW BAR AND A V-SHAPED TOW BAR, MEANS SECURING THE LEGS OF THE DRAW BAR TO A TOWING VEHICLE AXLE HOUSING, MEANS SECURIN THE LEGS OF THE TOW BAR TO THE TRAILER, AND MEANS PIVOTALLY SECURING THE APEX OF THE TOW BAR TO THE APEX OF THE DRAW BAR, THE MEANS FOR SECURING THE LEGS OF THE DRAW BAR TO THE TOWING VEHICLE AXLE HOUSING COMPRISES AN UPWARDLY AND REARWARDLY EXTENDING HOOK FORMATION ON THE END OF THE LEGS OF THE V, AND A FLEXIBLE MEMBER SECURED TO THE END OF THE HOOK FORMATION AND TO THE UPWARDLY EXTENDING PORTION THEREOF, EACH LEG OF THE V OF THE DRAW BAR COMPRISING SEPARATE ELEMENTS ADJUSTABLY CLAMPED TOGETHER AND SWAY PREVENTINGG MEANS COMPRISING A BAR SECURED TO EACH LEG OF THE TOW BAR AND PIVOTALLY CONNECTED TO THE APEX OF THE TWO BAR, THE PIVOTAL CONNECTION COMPRISING A PAIR OF UPPER AND LOWER SOCKETS AND PINS SECURED TO EACH BAR AND RECEIVED IN SAID SOCKETS.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-29 1969-05-31 1969-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-29 1973-05-31 1973-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-29 1977-05-31 1977-11-30 $7700.00 Window Closed / Lapsed

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