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:
Dec. 28, 1982
Filed:
Jun. 01, 1981
Albert F Ditzig, Hoffman Estates, IL (US);
Re-al, Inc., Wheeling, IL (US);
Abstract
A contact switch assembly and method for its manufacture utilizing a resilient dome having electrically conductive surfaces which is positioned on a unitary sheet of plastic or membrane which has a circuit pattern deposited thereon, the circuit pattern forming the contact and contactor means of the switch. In assembly, said membrane is folded upon itself so that the contact and contactor are positioned in a spaced-apart alignment, separated by the resilient dome, whereby upon depression of said dome, electrical contact is established between the contact and contactor through the electrically conductive surfaces of the dome.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile