DE719035C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Optical system for devices in which a catcher for an ultrared radiation is used
Assignee: Siemens APP und Maschinen GmbH
•
Filing: 1938-09-27
•
Granted: 1942-03-27
•
Expires: 1958-09-27
Abstract
No abstract record available.
Inventors
- 👤 Guenter Klemt
- 👤 Hans Wirkus
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 03:39
CPC Classifications
G; G02; G02B; G02B17/00; G02B17/08; G02B17/0856; G02B17/0804; G02B17/0808; G02B17/0884
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.