Anticipate This!™ | Patent and Trademark Law Blog

They Invented What? (No. 53)

Posted in General Commentary by Jake Ward on June 26, 2018

Anticipate This!™ | Patent and Trademark Law Blog

U.S. Pat. No. 5,329,672:  Metal wire paper clip structure.

JW Note:  The paper clip – patented in 1994.  Many thanks to Michael Barclay at WSGR for bringing this one (and many others) to our attention! 

 paperclip 

We claim:

1. A metal wire paper clip comprising 

         a unitary length of spring-quality metal wire bent into an elongated configuration presenting an elongated U-shaped inner loop, an elongated U-shaped outer loop, and an arcuately-curved interconnecting portion therebetween;   

          each such U-shaped loop having an open end, a closed end, and a pair of longitudinally-extending legs;

         such closed end of the elongated U-shaped outer loop defining one longitudinal end of such bent wire elongated configuration, such inner loop being nested within such outer loop with such open end of each such U-shaped loop facing in the same longitudinal direction;

         such pair of longitudinally-extending legs of each such U-shaped loop including a free leg having a…

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