Patent US3220065A successfully refreshed from Google Patents.
Patent DE451619C successfully refreshed from Google Patents.
DE451619C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Russian adding machine
Assignee: JEAN LOEHR
•
Filing: 1926-08-15
•
Granted: 1927-11-01
•
Expires: 1946-08-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 14:11
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/02
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.