US PATENT SUBCLASS 29 / 20
SPECTACLE-FRAME MAKING
Current as of: June, 1999
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DEFINITION
Classification: 29/20
SPECTACLE-FRAME MAKING:
(under the class definition) Process or apparatus for manufacturing a member intended to hold or otherwise support a lens of eyeglass structure.
(1) Note. Included herein is structure for assembling a pair of spectacles or for manufacture of a portion thereof, such as a "temple" or "bridge-piece".
SEE OR SEARCH THIS CLASS, SUBCLASS:
434+, for a process of assembling or joining while retaining clearance for motion between assembled parts, as in assembling a temple with the lens holding portion of a spectacle frame.
SEE OR SEARCH CLASS
65, Glass Manufacturing,
61, for grinding to make an article of glass, including making and grinding a lens. 72, Metal Deforming, for bending metal, generally, especially
362+, for the process.
140, Wireworking,
71+, for a process or apparatus for making an eyeglass frame of wire, under that class definition.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
239+, for a method including shaping or molding to form or reform a shaped article, including molding of an eyeglass frame or lens.
351, Optics: Eye Examining, Vision Testing and Correcting,
41+, for spectacles or eyeglasses, subclass 177 for a process of making an ophthalmic lens not elsewhere provided for (see the appended notes to this subclass for a field of search for this subject matter), and subclass 178 for a process of making spectacles or eyeglasses not elsewhere provided for, securing an eyeglass lens to a support, or of assembling lens in spectacle frames.
425, Plastic Article or Earthenware Shaping or Treating: Apparatus, for making an article of plastic, generally, including making a portion of an eyeglass frame or a lens.
