Patent DE337807C successfully refreshed from Google Patents.
DE337807C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Auxiliary device for the graphic determination of circular arcs of any size
Assignee: ADOLF MARSCHALL
•
Filing: —
•
Granted: 1921-06-09
•
Expires: 1938-06-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 11:40
CPC Classifications
B; B43; B43L; B43L9/00; B43L9/002
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.