26 SQUARENESS GAUGES FOR MEASURING THE SQUARENESS AND STRAIGHTNESS OF SURFACES OF MANUFACTURED ARTICLES RELATIVE TO A REFERENCE PLANE, AND FOR MEASURING THE ANGULAR RELATION OF TWO OR MORE SUCH SURFACES OF A MANUFACTURED ARTICLE
Trademark Events
Nov 7, 1994
Expired Sec. 9
Oct 25, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.