![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from CH2810373X external-priority Application filed by Durex S A filed Critical Durex S A Application granted granted Critical Publication of US2810373A publication Critical patent/US2810373A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Durex S A Priority date (The priority date is an assumption and is not a legal conclusion. ![]() Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US502580A Inventor Lang Heinrich Current Assignee (The listed assignees may be inaccurate. ![]() Google Patents Four-stroke cycle internal combustion enginesÄownload PDF Info Publication number US2810373A US2810373A US502580A US50258055A US2810373A US 2810373 A US2810373 A US 2810373A US 502580 A US502580 A US 502580A US 50258055 A US50258055 A US 50258055A US 2810373 A US2810373 A US 2810373A Authority US United States Prior art keywords stroke piston cylinder valve internal combustion Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2810373A - Four-stroke cycle internal combustion engines US2810373A - Four-stroke cycle internal combustion engines ![]()
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