DE630435C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electric display device for changes in density of liquids
Assignee: Individual
•
Filing: 1932-09-17
•
Granted: 1936-05-28
•
Expires: 1952-09-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 21:18
CPC Classifications
—
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.