U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Multi-functional convertible transport cart

Patent 6966574 Issued on November 22, 2005. Estimated Expiration Date: Icon_subject July 7, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

34015

819434

895842

1618496

1697485

Method of making tires
Patent #: 4201744
Issued on: 05/06/1980
Inventor: Makinson

Manual utility cart
Patent #: 4531752
Issued on: 07/30/1985
Inventor: Diener

Demountable trailer wheel
Patent #: 4917442
Issued on: 04/17/1990
Inventor: Johnson

Convertible transport cart
Patent #: 5228716
Issued on: 07/20/1993
Inventor: Dahl

Convertible transport cart
Patent #: 5476282
Issued on: 12/19/1995
Inventor: Dahl

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Inventor

Application

No. 10614725 filed on 07/07/2003

US Classes:

280/651, Cart280/47.18, Convertible, selective, or changeable body280/47.29, Movable280/47.34, Stable vehicles, handle-propelled301/113, Linchpin411/213, Comprising an elongated element divided longitudinally (e.g., a cotter pin)301/5.7, With antifriction bearing264/250, By separately molding different article portions62/5, VORTEX TUBE, E.G., RANQUE280/11.223Axle mounting arrangement

Examiners

Primary: Ellis, Christopher P.
Assistant: Campbell, Kelly E

Attorney, Agent or Firm

International Class

B62B003/02

Abstract

A multi-functional cart for transporting objects including a frame, a first handle connected to the frame adjacent a first end of the frame, a second handle connected to the frame adjacent a second end of the frame, a first pair of wheels connected to the frame adjacent the first end of the frame and a second pair of wheels connected to the frame adjacent the second end of the frame. The handles are different sizes and are selectively movable between perpendicular to the frame and coplanar to the frame. The frame has a generally rectangular configuration and includes frame members which are telescopically connected to each other. The multi-functional cart transforms into eight or more configurations.

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