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
Karl Zimmermann
Julius Stern
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 GB190118336ApublicationCriticalpatent/GB190118336A/en
18,336. Zimmermann, K., and Stern, J. Sept. 13. Washers.-Antifriction washers for use with nuts, door hinges and other parts intended to have pivot or rotary motion are made of two plates a, b, separated by a ring of balls k running in grooves in the plates.
GB190118336D1901-09-131901-09-13Improvement in Washers for Screw Nuts and other Objects.
ExpiredGB190118336A
(en)