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. 23, 1976
Filed:
Mar. 20, 1975
William J Davis, Carson City, NV (US);
Other;
Abstract
An automatic dialing apparatus, for telephones with conventional circuitry which make station connection by coded patterns of successive circuit interruption, including a self-contained power supply, an electric motor driven by the power supply, a gear system connected to the electric motor, a memory disc embodying a telephone number by the disposition of protuberances in concentric annular coded arrangement thereon, said disc being removably connectable to the gear system for rotation by the motor, and a circuit adapted to interconnect with the conventional circuit having a microswitch disposed to engage the protuberances on the disc so as to interrupt the conventional circuit each time the switch is engaged by a protuberance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile