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:
May. 26, 1987
Filed:
Aug. 22, 1986
Applicant:
Inventor:
James E Roth, DeSoto, MO (US);
Assignee:
Intertherm Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138162 ; 138166 ; 138168 ; 428 58 ; 428100 ; 428 36 ;
Abstract
A two-piece plastic duct utilizing snap-together latch tongue and complementary engaging provisions together with overlapping sealing flanges to make adequately airtight duct assemblies. The duct walls consist of narrow trimming flats with measurement indicia; these flats are divided by narrower molded separators, which make it easy to trim the unassembled duct to desired length.