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US3101084A Expired / Lapsed US ⏱️ 0.0 years remaining

Syringe

Assignee: Individual
•
Filing: 1962-05-08
•
Granted: 1963-08-20
•
Expires: 1982-05-08
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Abstract

No abstract record available.

Inventors

  • 👤 Clark H Hamilton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 14:56
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31525; A61M5/31531

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 74 words
IN A MEASURING AND DISCHARGE SYRINGE OF VERY SMALL VOLUMETRIC CAPACITY: (A) A NEEDLE AND VOLUMETRIC BARREL RESERVOIR ASSEMBLY COMPRISING: (A) A TUBULAR NEEDLE HAVING A SHARP POINT AT ITS FREE END; (B) A PLUNGER PRECISELY FITTED IN SAID NEEDLE AND SLIDABLE THEREIN; (C) GUIDE AND SUPPORT MEANS FOR SAID PLUNGER AND SAID NEEDLE; (D) AND VOLUME INDICATING MEANS INCORPORATED IN THE SYRINGE FOR INDICATING THE VOLUME DISPLACEMENT IN SAID NEEDLE BY SAID PLUNGER.

References Cited (Backward Citations)

CA561898A Cited
US637405A Cited
US827693A Cited
DE365912C Cited
US2572155A Cited
US2590895A Cited
US2666435A Cited
DE1029528B Cited
US2933087A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-08-19 1967-02-18 1967-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-08-19 1971-02-18 1971-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-08-19 1975-02-18 1975-08-20 $7700.00 Window Closed / Lapsed

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