← Back to Patent Explorer
US3005648A Expired / Lapsed US ⏱️ 0.0 years remaining

Dual lip seal

Assignee: Federal Mogul Bower Bearings Inc
•
Filing: 1958-03-19
•
Granted: 1961-10-24
•
Expires: 1978-03-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dan A Christensen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:43
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3232

Claims Analysis

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

References Cited (Backward Citations)

US2149147A Cited
US2172325A Cited
US2235735A Cited
GB700811A Cited
US2809853A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-23 1965-04-24 1965-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-23 1969-04-24 1969-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-23 1973-04-24 1973-10-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag