Patent US2971509A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2971509A Expired / Lapsed US ⏱️ 0.0 years remaining

Disposable hypodermic syringe

Assignee: Individual
•
Filing: 1958-09-26
•
Granted: 1961-02-14
•
Expires: 1978-09-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Cohen Milton Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:46
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/20; A61M5/2053; A61M5/31; A61M2005/3112; A61M2005/3128; Y; Y10; Y10S; Y10S604/00; Y10S604/90

Claims Analysis

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

References Cited (Backward Citations)

US1308919A Cited
US921130A Cited
DE532192C Cited
US2413303A Cited
FR997245A Cited
US2565954A Cited
US2744527A Cited
US2699167A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-02-14 1964-08-15 1965-02-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-02-14 1968-08-15 1969-02-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-02-14 1972-08-15 1973-02-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag