Patent CA476318A successfully refreshed from Google Patents.
CA476318A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Methods and means for inspecting materials by wave trains
Assignee: Sperry Products Inc
•
Filing: —
•
Granted: 1951-08-21
•
Expires: 1968-08-21
Abstract
No abstract record available.
Inventors
- 👤 Ralph Benjamin De Lano, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-24 19:09
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.