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:
Apr. 24, 1979
Filed:
Oct. 11, 1977
Applicant:
Inventor:
Dennis H Ogden, Wolverhampton, GB;
Assignee:
British Industrial Plastics Limited, Manchester, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264 466 ; 5230912 ; 52405 ; 264267 ; 264D / ;
Abstract
Here is disclosed a method of manufacturing building blocks filled with a cured aminoplast resin foam by forming a curable foam, presenting the cavity to and in sealing relationship with one end of a delivery pipe for the foam and injecting the curable foam through the delivery pipe into the cavity until a back pressure is developed in the delivery pipe. Apparatus for manufacturing the building blocks is also described.
Ogden, Dennis. (1979). Improvements in and relating to building blocks (U.S. Patent No. 4151239). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4151239
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile