Anticipate This!™ | Patent and Trademark Law Blog

They Invented What? (No. 128)

Posted in They Invented What? by Jake Ward on February 4, 2009

U.S. Pat. No. 5,182,857:  Shaving apparatus.


What is claimed is:

1. A shaving apparatus comprising a housing (10) and a shear plate (11) with a hair entry slot (24) wherein inside the housing (10) there is provided a device (12) for generating a laser beam (13) which acts as a cutting means and which impinges on the inner side of the shear plate (11) in the proximity of the entry slot (24) where it acts upon and severs the hair, said laser beam (13) impinging on said shear plate (11) and being reflected along the entry slot (24) in a reflecting zone of incidence (23) on the shear plate (11).