Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Leonard Bartlett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190721168ApublicationCriticalpatent/GB190721168A/en
21,168. Bartlett, L. Sept. 24. No Patent granted (Sealing fee not paid). Capsule closures.-The central part 9 of a" crown "cork" seal is made of thinner material than the remainder, so that it can be pierced readily. The flange F may be formed with projections 8 or with a continuous rib to facilitate the action of the usual tool for removing the cap. An annular depression 13, Fig. 3, may be formed in the flange to retain the sealing-ring 11.
GB190721168D1907-09-241907-09-24Improvements in Bottle Seals.
ExpiredGB190721168A
(en)