DE528209C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of halftones on screen printing stencils
Assignee: Individual
•
Filing: 1930-01-09
•
Granted: 1931-06-26
•
Expires: 1950-01-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/12
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.