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US2837093A Expired / Lapsed US ⏱️ 0.0 years remaining

Hypodermic syringe

Assignee: JOSEPH A ROSENBERG
•
Filing: 1954-06-01
•
Granted: 1958-06-03
•
Expires: 1974-06-01
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Abstract

No abstract record available.

Inventors

  • 👤 Tash Irving

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 02:04
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1752903A Cited
FR935122A Cited
FR950588A Cited
US2531667A Cited
US2554352A Cited
US2595493A Cited
US2540445A Cited
US2696212A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-06-02 1961-12-02 1962-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-06-02 1965-12-02 1966-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-06-02 1969-12-02 1970-06-03 $7700.00 Window Closed / Lapsed

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