← Back to Patent Explorer
US2348925A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid filter

Assignee: American Locomotive Co
•
Filing: 1942-10-10
•
Granted: 1944-05-16
•
Expires: 1962-10-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Reichhelm Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:31
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/50; B01D29/56; B01D29/58; B01D29/11; B01D29/13; B01D29/15; B01D2201/00; B01D2201/04; B01D2201/043; B01D2201/0453; B01D37/00

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

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1947-05-16 1947-11-15 1948-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-05-16 1951-11-15 1952-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-05-16 1955-11-15 1956-05-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag