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:
Nov. 01, 1977
Filed:
Nov. 11, 1975
Applicant:
Inventors:
Lennart Nils Johansson, Eskilstuna, SW;
Claes-Goran O Svensson, Borensberg, SW;
Assignee:
Forenade Fabriksverken, Eskilstuna, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02G / ;
U.S. Cl.
CPC ...
60517 ;
Abstract
An external combustion engine has an insulated cylinder with one open end and heater tubes mounted at the closed end to permit entry of a heater unit concentrically within the open end to abut the heater tubes.
Johansson, Lennart. (1977). Heating device for an external combustion engine (U.S. Patent No. 4055952). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4055952
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile