Patent US3162128A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2540377A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for determining vapor pressure

Assignee: Standard Oil Co
•
Filing: 1947-03-25
•
Granted: 1951-02-06
•
Expires: 1967-03-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert W Pachaly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:24
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/14; G01N1/00; G01N1/02; G01N1/10; G01N1/14

Claims Analysis

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

References Cited (Backward Citations)

US1470381A Cited
US1519549A Cited
US2126052A Cited
US2002101A Cited
US2032007A Cited
US2145203A Cited
US2281978A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-02-05 1954-08-07 1955-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-02-05 1958-08-07 1959-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-02-05 1962-08-07 1963-02-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag