Patent US2872721A successfully refreshed from Google Patents.
DE555063C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Retinal examination device
Assignee: Individual
•
Filing: 1929-11-23
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Granted: 1932-07-18
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Expires: 1949-11-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 04:14
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/10; A61B3/13; A61B3/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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