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
CA227,500A
Inventor
Robert W. Holmes
Arabinda N. Dey
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.)
Duracell Inc USA
Original Assignee
PR Mallory and Co Inc
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
Priority claimed from US245510Aexternal-prioritypatent/US3904432A/en
Application filed by PR Mallory and Co IncfiledCriticalPR Mallory and Co Inc
Priority to CA227,500ApriorityCriticalpatent/CA979067A/en
Application grantedgrantedCritical
Publication of CA979067ApublicationCriticalpatent/CA979067A/en