Patent US2972924A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2638897A Expired / Lapsed US ⏱️ 0.0 years remaining

Flared exit phlebotomy needle

Assignee: Individual
•
Filing: 1951-01-18
•
Granted: 1953-05-19
•
Expires: 1971-01-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edward J Poitras

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:47
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150404; A61B5/150503; A61B5/150511; A61B5/150519; A61B5/150534; A61B5/15058; A61B5/150587; A61B5/150694; A61B5/150717; A61B5/150732; A61B5/150992; A61B5/153; A61B5/155; A61M; A61M5/00; A61M5/14; A61M5/158; A61B5/150755

Claims Analysis

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

References Cited (Backward Citations)

US600803A Cited
US1109626A Cited
US1100181A Cited
US1139975A Cited
FR574278A Cited
US2217602A Cited
US2504482A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-05-18 1956-11-17 1957-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-05-18 1960-11-17 1961-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-05-18 1964-11-17 1965-05-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag