Ergonomic scissors

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8176638
APP PUB NO 20110016728A1
SERIAL NO

12458747

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Ergonomic scissors are adjustable with respect to thumb offset, thumb ring rotation, and thumb/finger ring diameter, so as to enable effective control, in conjunction with unstrained wrist movements, of scissor roll, yaw and pitch. A set of interchangeable thumb rings of various inner diameters accommodate a range of anatomical thumb sizes. Each of the interchangeable thumb rings is rotatably attachable to the lower shank through multiple discrete placement openings in the bottom face of the lower shank.

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First Claim

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Patent Owner(s)

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hann, Abbe J Stirling, US 1 2
Hann, Ronald B Stirling, US 1 2

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (12)
* 4642895 Scissors with adjustable thumb loop 16 1985
* 5125159 Interchangeable ringlets for pivoted cutting and grasping instruments 11 1989
* 5060381 Pair of scissors, in particular for use in the cutting of hair 15 1990
* 5469624 Interchangeable thumb ringlets for pivoted cutting and grasping instruments 12 1993
* 5517762 Scissors 11 1995
* 6212780 Adjustable handle for scissors or the like 6 1999
* 6367155 Heatable cutting instrument, specially scissors, knife, clippers or the like 9 1999
* 6915578 Reversible scissors 4 2003
7373728 Ring insert kit for scissors and template for use therewith 5 2004
* 7260894 Scissor apparatus and method of using thereof 2 2004
* 7464474 Ergonomic shears 2 2005
* 7966733 Scissors with a ringlet 3 2007
 
ADACHI INDUSTRY CO., LTD. (1)
* 2006/0143,930 Hair dressing scissors 6 2004
 
AVENTIS PHARMA S.A. (1)
* 2006/0064,879 Adjustable ergonomic scissors 6 2004
 
JAGUAR STAHLWARENFABRIK GMBH & CO. KG (4)
* 5109608 Scissors, in particular hairdresser's scissors 25 1990
* 5722171 Scissors, particulary hairdresser's scissors 21 1996
* 5987757 Scissors with movable grip eye 9 1998
* 6249977 Scissors 20 2000
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
QSCISSORS, INC. (1)
9393706 Slide operated scissors 0 2014
* Cited By Examiner

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