Publication No.	Publication date	Filing No.	Priority	Status	Source Data
US 4532535A	1985-07-30	US 40827582A 19820816	CH 240479A 19790314	Expired	National register (PAIR)
JP 55127070A	1980-10-01	JP 3256380A 19800314	CH 240479A 19790314	Unknown	Espacenet
DE 3009719A1	1980-09-25	DE 3009719A 19800313	CH 240479A 19790314	Active	National register
DE 3009719C2	1990-05-10	DE 3009719A 19800313	CH 240479A 19790314	Active	National register
CH 631287A5	1982-07-30	CH 240479A 19790314	CH 240479A 19790314	Expired	Espacenet

US4532535 (Expired)
No INPADOC legal data


JP55127070 (Unknown)
No INPADOC legal data


DE3009719 (Active)
1986-09-04  +REQUEST FOR EXAMINATION PARAGRAPH 44
1986-09-25   CHANGE OF THE MAIN CLASSIFICATION IPC Classification G11C
             17/00
1990-05-10  +GRANT AFTER EXAMINATION
1990-11-08  +NO OPPOSITION DURING TERM OF OPPOSITION


CH631287 (Expired)
1999-04-15  -PATENT CEASED