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US3094231A Expired / Lapsed US ⏱️ 0.0 years remaining

Front end loaders

Assignee: Dempster Brothers Inc
•
Filing: 1959-05-21
•
Granted: 1963-06-18
•
Expires: 1979-05-21
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Abstract

No abstract record available.

Inventors

  • 👤 George R Dempster
  • 👤 William A Herpich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:47
CPC Classifications
B; B65; B65F; B65F3/00; B65F3/02; B65F3/04; B60; B60P; B60P1/00; B60P1/48; B60P1/50; B65F2003/0263; B65F2003/0279

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 144 words
IN A FRONT END LOADER OF THE CHARACTER DESCRIBED, THE COMBINATION WITH A MOTOR VEHICLE CHASSIS INCLUDING A CHASSIS FRAME, A CAB AND A REFUSE BODY ON THE CHASSIS FRAME, OF LOADING MECHANISM ON THE VEHICLE COMPRISING A PAIR OF LIFTING ARMS EXTENDING OVER THE TOP OF THE CAB AND DOWNWARDLY AT THE FRONT THEREOF, MEANS PIVOTALLY MOUNTING THE REAR END PORTIONS OF THE LIFTING ARMS ON THE VEHICLE FOR UPWARD SWINGING MOVEMENT, POWER MEANS CONNECTED WITH THE LIFTING ARMS FOR CAUSING UPWARD LIFTING MOVEMENT THEREOF, PICK-UP ARMS SUPPORTED BY THE FRONT END PORTIONS OF THE LIFTING ARMS AND HAVING MEANS THEREON FOR DETACHABLE ENGAGEMENT WITH A CONTAINER TO LIFT THE CONTAINER TO AN ELEVATED POSITION OVER THE BODY AND FOR DUMPING THE CONTENTS THEREOF INTO THE BODY, AND MEANS DETACHABLY CONNECTING THE PICK-UP ARMS WITH THE LIFTING ARMS FOR REMOVAL AND SEPARATION THEREFROM.
Claim 2
Dependent Claim 144 words
IN A FRONT END LOADER OF THE CHARACTER DESCRIBED, THE COMBINATION WITH A MOTOR VEHICLE CHASSIS INCLUDING A CHASSIS FRAME, A CAB AND A REFUSE BODY ON THE CHASSIS FRAME, OF LOADING MECHANISM ON THE VEHICLE COMPRISING A PAIR OF LIFTING ARMS EXTENDING OVER THE TOP OF THE CAB AND DOWNWARDLY AT THE FRONT THEREOF, MEANS PIVOTALLY MOUNTING THE REAR END PORTIONS OF THE LIFTING ARMS ON THE VEHICLE FOR UPWARD SWINGING MOVEMENT, POWER MEANS CONNECTED WITH THE LIFTING ARMS FOR CAUSING UPWARD LIFTING MOVEMENT THEREOF, PICK-UP ARMS SUPPORTED BY THE FRONT END PORTIONS OF THE LIFTING ARMS AND HAVING MEANS THEREON FOR DETACHABLE ENGAGEMENT WITH A CONTAINER TO LIFT THE CONTAINER TO AN ELEVATED POSITION OVER THE BODY AND FOR DUMPING THE CONTENTS THEREOF INTO THE BODY, AND MEANS DETACHABLY CONNECTING THE PICK-UP ARMS WITH THE LIFTING ARMS FOR REMOVAL AND SEPARATION THEREFROM.

References Cited (Backward Citations)

US2565792A Cited
US2624478A Cited
US2711256A Cited
US2819874A Cited
US2885101A Cited
US2828032A Cited
US2900096A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-06-17 1966-12-17 1967-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-06-17 1970-12-17 1971-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-06-17 1974-12-17 1975-06-18 $7700.00 Window Closed / Lapsed

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