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:
Apr. 09, 2013
Filed:
Nov. 15, 2010
Nicolas Rebeaud, Le Mont-sur-Lausanne, CH;
Michel Sagardoyburu, Cornaux, CH;
Nicolas Rebeaud, Le Mont-sur-Lausanne, CH;
Michel Sagardoyburu, Cornaux, CH;
The Swatch Group Research and Development Ltd, Marin, CH;
Abstract
Capillary depth gauge () including at least one capillary tube () of triangular section arranged against a background () opposite an observation surface () and visible by transparency from the observation surface when the tubular section is substantially filled with water, at least one reflection surface (), visible by reflection from said observation surface when the tubular section is substantially filled with air, said tube forming an isosceles triangle whose equal angles (α) have an angular value of between 48 and 60 degrees.