Cross-reference art collection of optical methods.
SEE OR SEARCH THIS CLASS, SUBCLASS:
819+, for lens mountings.
SEE OR SEARCH CLASS
65, Glass Manufacturing,
37+, for lens making involving the working or treating of glass.
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
99+, for optically transparent glass lens sandwich making, which may include a grinding step. 264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
1.1+, for optical article shaping or treating such as molding.
351, Optics: Eye Examining, Vision Testing and Correcting,
177, for methods of making ophthalmic lenses or blanks not otherwise classifiable and subclass 178 for methods of securing these lenses in their mountings.
451, Abrading,
42+, for a lens grinding method. See the reference to Class 156 below.