DE854129C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Oil bath filter with fresh air supply
Assignee: Individual
•
Filing: 1951-08-24
•
Granted: 1952-10-30
•
Expires: 1971-08-24
Abstract
No abstract record available.
Inventors
- 👤 Alfred Knecht
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 21:09
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/026
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.