TREA

Analytic colormetric instrument

Follow

Information

  • Patent Grant
  • D316527
  • Patent Number
    D316,527
  • Date Filed
    Wednesday, November 9, 1988
    36 years ago
  • Date Issued
    Tuesday, April 30, 1991
    33 years ago
  • Inventors
  • Original Assignees
  • Examiners
    • Holtje; Nelson C.
    • Davis; Antoine D.
    Agents
    • Banner, Birch, McKie & Beckett
Information
Abstract
Description
Claims
  • The ornamental design for an analytic colorimetric instrument, as shown and described.
US Referenced Citations (17)
Number Name Date Kind
D185543 Frank Jun 1959
D186271 Marks Oct 1959
D247821 Biersch et al. May 1978
D250834 Ruppart Jan 1979
D256567 Voss et al. Aug 1980
1675967 Zitkowski Jul 1928
2027816 Drucker Jan 1936
3176577 Frank Apr 1965
3381572 Tuwiner May 1968
3488156 Good et al. Jan 1970
3591805 Schoeffel Jul 1971
3964831 Frank Jun 1976
4073623 Bodart Feb 1978
4330299 Cerami May 1982
4594327 Zuk Jun 1986
4678757 Rapkin et al. Jul 1987
4956302 Gordon et al. Sep 1990
Divisions (1)
Number Date Country
Parent 245259 Sep 1988
Continuation in Parts (1)
Number Date Country
Parent 245423 Sep 1988