Patent US4121888A successfully refreshed from Google Patents.
Patent DE330170C successfully refreshed from Google Patents.
DE330170C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for attaching brush holders
Assignee: FRITZ KESSELRING DIPL ING
•
Filing: 1919-11-26
•
Granted: 1920-12-10
•
Expires: 1939-11-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 14:11
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/148
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.