DE747498C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Photoelectric alternating light colorimeter with automatic adjustment
Assignee: Joens & Co W H
•
Filing: 1942-05-14
•
Granted: 1944-09-27
•
Expires: 1962-05-14
Abstract
No abstract record available.
Inventors
- 👤 Dr Arthur Kuntze
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 19:28
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/10; G01J1/20; G01J1/34; G01J1/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1746525A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.