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:
Mar. 22, 1977
Filed:
Mar. 19, 1975
Applicant:
Inventors:
Ambrose C Boham, Birmingham, EN;
John C Davies, Birmingham, EN;
Brian J Kendall-Smith, Birmingham, EN;
Assignee:
British Industrial Plastics Limited, Manchester, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B / ;
U.S. Cl.
CPC ...
259191 ; 259 97 ;
Abstract
A screw-housing for an extruder or injection moulding machine, having a longitudinal bore on the internal surface of which is defined grooving, preferably in the form of a number of equidistantly spaced grooves, extending longitudinally throughout substantially the whole length of the housing or alternatively throughout a major portion of the length of the housing downstream of the feed zone thereof.
Boham, Ambrose. (1977). Extruders and injection moulding machines (U.S. Patent No. 4013276). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4013276
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile