← Back to Patent Explorer
FR1221024A Expired / Lapsed FR ⏱️ 0.0 years remaining

Pumping device for wells

Assignee: American Iron & Machine Works
•
Filing: 1959-01-20
•
Granted: 1960-05-30
•
Expires: 1979-01-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-24 21:30
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/02; E; E21; E21B; E21B43/00; E21B43/02; E21B43/10

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag