US PATENT SUBCLASS 73 / 446
.~.~ With section means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


73 /   HD   MEASURING AND TESTING

32 R  DF  SPECIFIC GRAVITY OR DENSITY OF LIQUID OR SOLID {7}
444  DF  .~ Freely vertical reciprocable float with carried indicium {4}
446.~.~ With section means

DEFINITION

Classification: 73/446

(under subclass 444) Devices having means to draw test fluid into a chamber containing the float.

SEE OR SEARCH THIS CLASS, SUBCLASS:

441, for portable syringe type devices.