Patent US2828263A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2828263A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-resistant sodium greases containing amides

Assignee: Union Oil Company of California
•
Filing: 1957-01-28
•
Granted: 1958-03-25
•
Expires: 1977-01-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Harry J Worth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 18:51
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/06; C10M2201/063; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10

Claims Analysis

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

References Cited (Backward Citations)

US1937463A Cited
US2403067A Cited
US2393800A Cited
US2622067A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-03-24 1961-09-23 1962-03-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-03-24 1965-09-23 1966-03-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-03-24 1969-09-23 1970-03-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag