Improvements relating to photochromic glasses

IL51352A0Inactive Publication Date: 1977-03-31PILKINGTON GRP LTD

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Patent Information

Application Number: IL51352
Authority / Receiving Office: IL · IL
Patent Type: Applications
Current Assignee / Owner
Priority Date: 1976-04-08
Filing Date: 1977-01-28
Publication Date: 1977-03-31
Estimated Expiration: Not applicable · inactive patent

Application Information

Patent Timeline

08 Apr 1976

Priority

28 Jan 1977

Application

IL51352

31 Mar 1977

Publication

IL51352A0

IPC: C03C3/062; C03C3/064; C03C4/06; C03C21/00

CPC: C03C3/064; C03C4/06; C03C21/002

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