The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 06, 1989
Filed:
Jul. 08, 1988
Applicant:
Inventors:
Georg Rupprecht, Voorheesville, NY (US);
Harvey Patashnick, Voorheesville, NY (US);
Assignee:
Rupprecht & Patashnick Co., Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01G / ; G01L / ;
U.S. Cl.
CPC ...
1772 / ; 177211 ; 7386264 ;
Abstract
Improved shaped glass elements having very low thermal coefficients of elastic modulus are provided for use as measuring means in balances for determining the mass of objects with a high degree of resolution. A particularly preferred form of the invention id fabricated from a glass consisting of 60.6% SiO.sub.2, 14.7% B.sub.2 O.sub.3, 8.94% Al.sub.2 O.sub.3, 4.72% Na.sub.2 O and 10.98% BaO, by weight.