Patent US3094231A successfully refreshed from Google Patents.
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
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 21:41
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 |