3/28/2023 0 Comments Water depth gauge for boat![]() ![]() 238000006073 displacement reaction Methods 0.000 description 10.XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 38.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Alan E Rich filed Critical Alan E Rich Priority to US244244A priority Critical patent/US2674881A/en Application granted granted Critical Publication of US2674881A publication Critical patent/US2674881A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US244244A Inventor Alan E Rich Original Assignee Alan E Rich Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents Depth indicator for boatsÄownload PDF Info Publication number US2674881A US2674881A US244244A US24424451A US2674881A US 2674881 A US2674881 A US 2674881A US 244244 A US244244 A US 244244A US 24424451 A US24424451 A US 24424451A US 2674881 A US2674881 A US 2674881A Authority US United States Prior art keywords depth casing air flexible gauge Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2674881A - Depth indicator for boats ![]()
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