Patent JPS5316718A successfully refreshed from Google Patents.
JPS5316718A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Optical glass without lead
Assignee: Sumita Optical Glass Inc
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Filing: 1976-07-31
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Granted: —
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Expires: 1996-07-31
Abstract
No abstract record available.
Inventors
- 👤 Shinobu Tokunaga
- 👤 Hideo Nagai
- 👤 Kunio Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-08 04:13
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/062; C03C3/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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