DE567523C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Light-sensitive cell, consisting of a vessel filled with inert gas, in which only a substance that changes its electrical resistance when irradiated by a light source located outside the vessel is enclosed in airtight manner
Assignee: Individual
•
Filing: —
•
Granted: 1933-01-05
•
Expires: 1950-01-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 17:42
CPC Classifications
H; H10; H10F; H10F30/00
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.