Patent DE572995C successfully refreshed from Google Patents.
DE572995C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Copy photometer
Assignee: HANS VON HARTEL DR
•
Filing: 1932-02-24
•
Granted: 1933-03-25
•
Expires: 1952-02-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 20:04
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/10; G01J1/12; G01J1/14
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.