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Title: US6581997: Chopsticks
[ Derwent Title ]


Country: US United States of America

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4 pages

 
Inventor: Martikainen, Jani; Helsinki, Finland
Talonpoika, Risto; Kuopio, Finland

Assignee: Majamoo Oy, Helsinki, Finland
other patents from MAJAMOO OY (820392) (approx. 1)
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Published / Filed: 2003-06-24 / 2002-02-01

Application Number: US2002000889864

IPC Code: Advanced: A47G 21/06; A47G 21/10;
IPC-7: A47G 21/10; A47J 43/28;

ECLA Code: A47G21/10B;

U.S. Class: 294/099.2; 294/001.1;

Field of Search: 294/1.1,3,8.5,16,99.2 030/123,142,150 D07/642,686

Priority Number:
1999-01-19  FI1999000000098
1999-11-25  FI1999000002517

Abstract:     Chopsticks formed by two separate chopsticks that during their use are detachably joined to each other, whereby the combination thereof is formed by two blanks called the joint portion blank (1) and the picking portion blank (2). The invention is implemented through having the joint portion blank (1) fabricated by providing at least one of sticks with a notch (3) on which the other stick is superimposed thus allowing the sticks to function as pincer-like pair.

Attorney, Agent or Firm: Lorusso Loud & Kelly LLP ;

Primary / Asst. Examiners: Kramer, Dean J.;

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Designated Country: AE AL AM AP AZ BA BB BG BR BY CA CR CU CZ DM EA EE GD GE GH GM HR HU ID IL  AT BE CH CY DE DK ES FR GB GR IE 

Family: Show 15 known family members

First Claim:
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What is claimed is:     1. Chopsticks comprising two sticks each having a joint portion and a picking portion, the sticks being detachably joined to each other during their use, wherein the chopsticks are formed by a joint portion blank and a picking portion blank, wherein the joint portion blank is fabricated by providing each stick with a notch at an essentially identical location having a bottom on which the sticks are superimposed allowing the sticks to function as a pincer-like pair, and wherein at least one stick further comprises a longitudinal slit having a gap and extending from the bottom of the notch toward the picking portion of the stick to form a leaf spring suitable for cooperation with the other stick.

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PCT Number: PCT/FI00/00030    WO0042889

PCT Pub./Filed Dates: 2000-07-27 / 2000-01-18

§ 371 / 102(e) Dates: 1111-11-11 / 1111-11-11

Forward References: Show 7 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (7)   |   Backward references (6)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 3pp US2346537* 1944-04 Fernandez    
Get PDF - 3pp US2561374* 1951-07 Igoe    
Get PDF - 3pp US3356405* 1967-12 Gruber    
Get PDF - 4pp US3596965  1971-08 Woofter  The Vernon Company MULTIPURPOSE HAND UTENSIL
Get PDF - 5pp US4312530  1982-01 Young   Chopsticks assembly
Get PDF - 4pp US4973095  1990-11 Kunihisa   Interconnected chopsticks
  * some details unavailable
       
Foreign References:
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Publication Date IPC Code Assignee   Title
  DE37064561 1987-12       
Buy PDF - 4pp DE4335907 1995-04  A47G 21/00 Rehag, Ulrich, 42781 Haan, DE Essenstaebchen in Pinzettenform 
  JP06022837 1994-02       
Get PDF - 18pp WO9741762 1997-11  A47G 21/00 AIKEN, Stuart, Charles TONGS 


Other Abstract Info: DERABS G2000-476178

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