Application Type
National Patents
Application SubType
National Patent
(10) Registration Number and Date
1917/000005 1920.11.17
Status
Invalidated
(180) Expiration Date
1937.08.20
(20) Filing Number and Date
BW P/1917/000005 1917.08.20
(40) Publication Number and Date
(86) PCT Filing Number and Date
(87) PCT Publication Number and Date
(85) National Entry Date
(30) Priority Details
(51) IPC Classes
(72) Inventor
(74) Representative Name
(54) Title
(EN) AN IMPROVED MACHINE FOR MANUFACTURING REINFORCEMENT FOR CEMENT AND CONCRETE PIPES
(57) Abstract
(58) Citations
Document Type Date Action
Event NameDateStatus
Filing1917.08.20Filed
Registration1920.11.17Registered
Invalidation1937.08.20Invalidated