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:
Nov. 05, 1985
Filed:
Nov. 22, 1983
Goro Nishikata, Kawasaki, JP;
Mitutoyo Mfg. Co., Ltd., Tokyo, JP;
Abstract
A thread construction of a length measuring instrument wherein a spindle is provided by forming out of a ceramic material an externally threaded portion on the outer peripheral surface thereof. A plurality of externally threaded pieces are cut from an externally threaded member made of a material identical with and having a pitch equal to the externally threaded portion of the spindle and fixedly secured to the inner peripheral surface of a sleeve opposed to the externally threaded portion to thereby make the spindle be of a screw feed type, and the manufacturing method therefor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile