Patent US3519072A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3519072A Expired / Lapsed US ⏱️ 0.0 years remaining

Arrangement for the attachment of a subwater pump at its outlet tube in a well,preferably for drain water conduits and the like

Assignee: RIMA AB
•
Filing: 1968-03-06
•
Granted: 1970-07-07
•
Expires: 1988-03-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Rune A W Hilden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:31
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/605; F04D29/606; F04D29/607

Claims Analysis

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

References Cited (Backward Citations)

US2918972A Cited
US3032106A Cited
US3160386A Cited
US3215202A Cited
GB983278A Cited
US3324950A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-07-06 1974-01-05 1974-07-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-07-06 1978-01-05 1978-07-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-07-06 1982-01-05 1982-07-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag