Patent US4019268A successfully refreshed from Google Patents.
DE1237335B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for measuring the layer thickness of non-ferromagnetic media on ferromagnetic material
Assignee: PHIL FRIEDRICH FOERSTER DR
•
Filing: 1963-12-03
•
Granted: —
•
Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Dr Phil Friedrich Foerster
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 23:54
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/10; G01B7/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE1009400B
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.