3759672

Information

• Patent Grant
• 3759672

• References
• Source

• Patent Number

  3,759,672

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1973
  51 years ago

• CPC

  • G01S3/787 - using rotating reticles producing a direction-dependant modulation characteristic
  • C25D5/12 - at least one layer being of nickel or chromium
  • G01C25/00 - Manufacturing, calibrating, cleaning, or repairing instruments and devices referred to in the preceding groups
  • Y10S428/926 - Thickness of individual layer specified
  • Y10T428/12243 - Disk
  • Y10T428/12396 - Discontinuous surface component
  • Y10T428/12597 - Noncrystalline silica or noncrystalline plural-oxide component [e.g., glass, etc.]
  • Y10T428/12847 - Cr-base component
  • Y10T428/12889 - Au-base component
  • Y10T428/12903 - Cu-base component
  • Y10T428/12993 - Surface feature [e.g., rough, mirror]
  • Y10T428/265 - 1 mil or less

• US Classifications

  • 428 - Stock material or miscellaneous articles