Patent US3131207A successfully refreshed from Google Patents.
Patent DE449735C successfully refreshed from Google Patents.
DE449735C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electric brush machine
Assignee: JOSEF LEONHARD JR
•
Filing: —
•
Granted: 1927-09-20
•
Expires: 1944-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 06:23
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/02
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.