U.S. patents available from 1976 to present.
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...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.

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Class 217/24 - Clip


Subclass of Class 217 - Wooden receptacles
Definition: Cells formed of spring metal, which hold the article with
No. of patents: 2
Last issue date: 04/11/1978


NumberTitleIssue Date
4083464Knockdown reusable container
A container which may be repeatedly disassembled and reassemblied. The container is formed by several panels, each having portions of their edges notched to two different depths to form projecting, intermediate, and recessed steps which alternate with eac...
04/11/1978
3950825Clamp for securing an element on a support provided with alveoli and assembly thus obtained
The present invention relates to a clamp for securing an element in a recess provided in a support. This clamp has the general shape of a parallelepipedic cup and comprises a base portion applied on the bottom of the recess and two pairs of mutually confr...
04/20/1976
 
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