US PATENT SUBCLASS 33 / 273
.~.~ And level or plumb

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

Internet Version by PATENTEC © 1999      Terms of Use


33 /   HD   GEOMETRICAL INSTRUMENTS

227  DF  STRAIGHT-LINE LIGHT RAY TYPE {20}
272  DF  .~ With magnetic compass {1}
273.~.~ And level or plumb

DEFINITION

Classification: 33/273

(under subclass 272) Device including means responsive to terrestrial gravitation for indicating deviation from a horizontal or vertical plane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

365+, for a level or plumb, per se.