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:
Aug. 31, 1993
Filed:
Aug. 19, 1991
Chyi-Yiing Wu, Taipei, TW;
Chih-Jen Hsu, Taipei, TW;
Other;
Abstract
A measuring instrument includes a casing served as a rule, an angular level secured in a central portion of the casing having a rotational protractor rotatably mounted in the level for measuring any angles, a horizontal gauge provided in a right side portion of the casing for checking a horizontality, a vertical gauge formed in a left side portion of the casing for checking a verticality, a reelable plummet provided in the casing and protruded outwardly for checking a vertical line or plane, a measuring tape wound in the casing and pulled outwardly for measuring a length, and a protractor template rotatably secured on the casing having a plurality of guide slots of many geometric shapes punched in the template for guiding the drawing of many geometric shapes and having a plurality of angular graduations circularly formed on a pivotal portion of the template also for measuring planar angles, so as to provide a measuring instrument having multiple measurement uses.