Patent CA646178A successfully refreshed from Google Patents.
CA646178A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Combined ultrasonic and flux method of testing for defects in rails in track
Assignee: Sperry Products Inc
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Filing: —
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Granted: 1962-08-07
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Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
- 👤 C. Drake Harcourt
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-30 11:15
CPC Classifications
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