← Back to Patent Explorer
US2612844A Expired / Lapsed US ⏱️ 0.0 years remaining

Priming means for centrifugal pumps

Assignee: Gilbarco Inc
•
Filing: 1950-08-24
•
Granted: 1952-10-07
•
Expires: 1970-08-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Alfred L Grise

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:04
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/04; F04D9/041

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US1447854A Cited
DE371138C Cited
US1474708A Cited
US1890317A Cited
US2064421A Cited
US2134686A Cited
US2153360A Cited
US2142275A Cited
US2330558A Cited
US2430337A Cited
US2464144A Cited
US2500228A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-10-07 1956-04-07 1956-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-10-07 1960-04-07 1960-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-10-07 1964-04-07 1964-10-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag