DE379984C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process and auxiliary equipment for the stereographic representation of physical objects, especially tectonic forms
Assignee: ERICH HAARMANN DR
•
Filing: 1922-08-23
•
Granted: 1923-09-01
•
Expires: 1942-08-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 22:13
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/14; B43L13/149; B27; B27G; B27G19/00; B27G19/06
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.