DE928537C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Emission testing device for tubes used in transducers or the like
Assignee: Siemens Corp
•
Filing: 1952-11-11
•
Granted: 1955-06-02
•
Expires: 1972-11-11
Abstract
No abstract record available.
Inventors
- 👤 Siegfried Dipl-Ing John
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 11:11
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/24; G01R31/25
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.