



XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8.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 US81778169A external-priority Application filed by Calkins Manufacturing Co filed Critical Calkins Manufacturing Co Application granted granted Critical Publication of US3512667A publication Critical patent/US3512667A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Calkins Manufacturing Co 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 US817781A Inventor Oscar C Calkins Current Assignee (The listed assignees may be inaccurate.

Google Patents US3512667A - Boat trailerĭownload PDF Info Publication number US3512667A US3512667A US817781A US3512667DA US3512667A US 3512667 A US3512667 A US 3512667A US 817781 A US817781 A US 817781A US 3512667D A US3512667D A US 3512667DA US 3512667 A US3512667 A US 3512667A Authority US United States Prior art keywords boat keel trailer hull cradle Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
