Earth working – Guided by walking attendant; supported – propelled – or held... – Hand tool
Reexamination Certificate
2007-05-08
2007-05-08
Novosad, Christopher J. (Department: 3641)
Earth working
Guided by walking attendant; supported, propelled, or held...
Hand tool
Reexamination Certificate
active
10786767
ABSTRACT:
An ergonomic hand tool for enhancing the leverage available to a user includes a frame having a distal portion and a proximal portion, and a working element operably coupled to a distal end of the distal portion. The frame further includes a handle that is pivotally coupled to the frame at a portion thereof intermediate the proximal portion and the distal portion. A brace structure is preferably operably coupled to the proximal portion of the frame, with the brace structure being configured to operably brace against an upper side of a user's forearm while the user operably grasps the handle.
REFERENCES:
patent: 309437 (1884-12-01), Calef
patent: 575234 (1897-01-01), Hagaman et al.
patent: 712843 (1902-11-01), Paul
patent: 2180544 (1939-11-01), Nissen
patent: 2482589 (1949-09-01), Maguire
patent: 2710571 (1955-06-01), Pfister
patent: 3232355 (1966-02-01), Woolworth
patent: 4477114 (1984-10-01), Callis
patent: 4644740 (1987-02-01), Lee
patent: 4822087 (1989-04-01), DeCarlo
patent: 4888846 (1989-12-01), Natale
patent: 5014792 (1991-05-01), Gierloff
patent: 5133101 (1992-07-01), Hauser et al.
patent: 5177941 (1993-01-01), Tharp et al.
patent: D352872 (1994-11-01), Crockett
patent: 5529357 (1996-06-01), Hoffman
patent: 5813206 (1998-09-01), McKittrick
patent: 5937627 (1999-08-01), McKittrick
Haugen Law Firm PLLP
Legacy Holdings, Inc.
Novosad Christopher J.
LandOfFree
Ergonomic hand tool does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ergonomic hand tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ergonomic hand tool will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3797954