EFFECTIVE DATE: CONNECTICUT Assignors: GRACE MERGER CORP., A CORP. 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 WR Grace and Co filed Critical WR Grace and Co Application granted granted Critical Publication of US3759642A publication Critical patent/US3759642A/en Assigned to W.R. Original Assignee WR Grace and 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 US00192167A Inventor C Potet Current Assignee (The listed assignees may be inaccurate. Google Patents US3759642A - T-slot boltÄownload PDF Info Publication number US3759642A US3759642A US00192167A US3759642DA US3759642A US 3759642 A US3759642 A US 3759642A US 00192167 A US00192167 A US 00192167A US 3759642D A US3759642D A US 3759642DA US 3759642 A US3759642 A US 3759642A Authority US United States Prior art keywords slot shoulder walls bolt die Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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