Pocket-size photometer

Information

  • Patent Grant
  • D258447
  • Patent Number
    D258,447
  • Date Filed
    Thursday, January 19, 1978
    46 years ago
  • Date Issued
    Tuesday, March 3, 1981
    43 years ago
Abstract
Description
Claims
  • The ornamental design for a pocket-size photometer, substantially as shown.
US Referenced Citations (5)
Number Name Date Kind
D183218 Kerr et al. Jul 1958
D185693 Asano Jul 1959
2472381 McMaster Jun 1949
3488125 Gugliotta et al. Jan 1970
3709615 Blakeslee et al. Jan 1973
Foreign Referenced Citations (1)
Number Date Country
487065 Jun 1938 GBX