Patent US2986939A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2986939A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid sampling apparatus

Assignee: Individual
•
Filing: 1956-05-29
•
Granted: 1961-06-06
•
Expires: 1976-05-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jay P Gould

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 20:49
CPC Classifications
G; G01; G01N; 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)

US1108278A Cited
US2231448A Cited
US2119288A Cited
US2222047A Cited
US2187840A Cited
US2581914A Cited
GB703079A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-06-05 1964-12-05 1965-06-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-06-05 1968-12-05 1969-06-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-06-05 1972-12-05 1973-06-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag