← Back to Patent Explorer
US2778360A Expired / Lapsed US ⏱️ 0.0 years remaining

Hypodermic syringe

Assignee: Pfizer Inc
•
Filing: 1955-05-09
•
Granted: 1957-01-22
•
Expires: 1975-05-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John J Miskel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:09
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/2448; A61M5/31; A61M5/315; A61M5/31511; A61M2005/31521; A61M5/2455; A61M5/2459; A61M5/2466; A61M5/3145

Claims Analysis

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

References Cited (Backward Citations)

US1943120A Cited
US1987146A Cited
GB407559A Cited
US2377274A Cited
US2470298A Cited
US2705956A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-22 1960-07-23 1961-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-22 1964-07-23 1965-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-22 1968-07-23 1969-01-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag