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:
Oct. 24, 1995
Filed:
May. 18, 1993
Arthur L Waltz, Ridgefield, WA (US);
David A Waltz, Vancouver, WA (US);
Vent Air Inc., Vancouver, WA (US);
Abstract
A one piece molded plastic foundation ventilator. The ventilator includes a one-piece continuous and structurally jointless plastic tubular member having a first through passageway, with the tubular member having a front and a rear, and with the through passageway of the ventilator including a portion between the front and the rear having a smaller cross-sectional dimension than the front, and having a smaller cross-sectional dimension than the rear. The front and rear of the ventilator includes outwardly directed flange portions. The ventilator may be supplemented by the addition of a screen and a hinged cover with securing latches.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile