← Back to Patent Explorer
US2688846A Expired / Lapsed US ⏱️ 0.0 years remaining

Pump and motor hydraulic system

Assignee: Individual
•
Filing: 1951-09-19
•
Granted: 1954-09-14
•
Expires: 1971-09-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ruden Raymond E Von

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:44
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/02

Claims Analysis

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

References Cited (Backward Citations)

US985986A Cited
DE361823C Cited
GB234209A Cited
US2056994A Cited
US2343486A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-09-13 1958-03-15 1958-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-09-13 1962-03-15 1962-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-09-13 1966-03-15 1966-09-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag