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:
Jul. 15, 1980
Filed:
Oct. 25, 1978
Applicant:
Inventor:
Herbert W McCord, Warren, NJ (US);
Assignee:
General Signal Corporation, Stamford, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250381 ; 250385 ; 340629 ;
Abstract
A smoke detector of superior smoke sensitivity characterized by a compact unipolar ionization chamber in which the ionization area or zone is situated and defined between the source of alpha particles and an electrode which confronts the source; another electrode, which attracts the unipolar charge carriers, is situated on an indirect path from the source, preferably being behind such source with respect to the pattern of radiation emitted therefrom.
McCord, Herbert. (1980). Smoke detector having unipolar ionization chamber (U.S. Patent No. 4213047). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4213047
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile