Patent US5572179A successfully refreshed from Google Patents.
Patent DE895221C successfully refreshed from Google Patents.
DE895221C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Optical device for increasing the distance between the legs of angles
Assignee: Individual
•
Filing: 1949-05-24
•
Granted: 1953-11-02
•
Expires: 1969-05-24
Abstract
No abstract record available.
Inventors
- 👤 Hans Honnef
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 16:44
CPC Classifications
G; G01; G01B; G01B9/00; G01C; G01C1/00; G01C1/02; G01C1/06
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.