Application Type
National Patents
Application SubType
National Patent
(10) Registration Number and Date
1987/000575 1988.11.07
Status
Invalidated
(180) Expiration Date
2007.07.01
(20) Filing Number and Date
BW AP/P/1987/000575 1987.07.01
(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
(EN) D. M. KISCH & CO : P O Box 668
(54) Title
(EN) MINING METHOD (CASE 1)
(57) Abstract
(58) Citations
Document Type Date Action
Event NameDateStatus
Filing1987.07.01Filed
Registration1988.11.07Registered
Invalidation2007.07.01Invalidated