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:
Jan. 27, 1976
Filed:
Oct. 03, 1974
John Joseph Curry, Westchester, IL (US);
Illinois Tool Works Inc., Chicago, IL (US);
Abstract
An outer cap for association with a conventional externally knurled screw closure cap and serving as a safety overcap converting the same to a double cap safety closure for sealing threaded bottles and other containers with contents which might be harmful to children; with the outer cap constructed for trapped association with the inner cap for permissive free rotation relative thereto but provided with internal knurling and an adjacent relieved or slotted area permitting inward flexing of the adjacent knurled wall of the overcap into engagement with the external knurling of the inner cap upon selected pressure applied by an adult to effect rotation of both caps in unison, such as the unscrewing direction, for authorized access to the contents of the container.