1671548

Information

• Patent Grant
• 1671548

• References
• Source

• Patent Number

  1,671,548

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1928
  96 years ago

• CPC

  • C03B23/0305 - Press-bending accelerated by applying mechanical forces
  • C03B21/04 - by punching out
  • C03B23/22 - Uniting glass lenses
  • Y10S359/90 - Methods
  • Y10S425/808 - Lens mold

• US Classifications

  • 065 - Glass manufacturing
  • 351 - Optics: eye examining, vision testing and correcting
  • 359 - Optical: systems and elements
  • 425 - Plastic article or earthenware shaping or treating: apparatus