Patent US2768849A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2768849A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid seal

Assignee: Motors Liquidation Co
•
Filing: 1952-12-05
•
Granted: 1956-10-30
•
Expires: 1972-12-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ellwood F Riesing

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:01
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248; F16J15/3252; Y; Y10; Y10S; Y10S417/00; Y10S417/01

Claims Analysis

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

References Cited (Backward Citations)

US1849404A Cited
US2114908A Cited
US2080670A Cited
US2207371A Cited
US2330104A Cited
GB556441A Cited
US2385156A Cited
US2397847A Cited
US2437901A Cited
US2430445A Cited
US2651534A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-10-30 1960-04-30 1960-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-10-30 1964-04-30 1964-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-10-30 1968-04-30 1968-10-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag