CA372141A - Hardened vitreous article - Google Patents

Hardened vitreous article

Info

Publication number
CA372141A
CA372141A CA372141A CA372141DA CA372141A CA 372141 A CA372141 A CA 372141A CA 372141 A CA372141 A CA 372141A CA 372141D A CA372141D A CA 372141DA CA 372141 A CA372141 A CA 372141A
Authority
CA
Canada
Prior art keywords
hardened
vitreous article
vitreous
article
hardened vitreous
Prior art date
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
CA372141A
Other languages
French (fr)
Inventor
R. Moulton Harold
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.)
American Optical Corp
Original Assignee
American Optical Corp
Publication date
Application granted granted Critical
Publication of CA372141A publication Critical patent/CA372141A/en
Expired legal-status Critical Current

Links

CA372141A Hardened vitreous article Expired CA372141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA372141T

Publications (1)

Publication Number Publication Date
CA372141A true CA372141A (en) 1938-03-01

Family

ID=35373206

Family Applications (1)

Application Number Title Priority Date Filing Date
CA372141A Expired CA372141A (en) Hardened vitreous article

Country Status (1)

Country Link
CA (1) CA372141A (en)

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