Patent US2382115A successfully refreshed from Google Patents.
Patent DE888481C successfully refreshed from Google Patents.
DE888481C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Filter insert for liquid filter
Assignee: Individual
•
Filing: 1951-08-05
•
Granted: 1953-09-03
•
Expires: 1971-08-05
Abstract
No abstract record available.
Inventors
- 👤 Walter Ebinger
- 👤 Alfred Knecht
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 13:23
CPC Classifications
B; B01; B01D; B01D27/00; B01D25/00; B01D25/22; B01D25/26
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.