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:
Jan. 13, 1976
Filed:
May. 31, 1974
Applicant:
Inventor:
Steven Andrew Cope, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours & Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285200 ; 285219 ; 285423 ;
Abstract
In a laminar polymeric sheet having a passageway which is threaded for part of the thickness of the sheet and a threaded element engaged with the threads in the passageway, the improvement wherein the thread engagement begins at a minimum distance from the top surface of the sheet.