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US2836942A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of encasing and sterilizing needles

Assignee: Pfizer Inc
•
Filing: 1953-11-16
•
Granted: 1958-06-03
•
Expires: 1973-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 John J Miskel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:54
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/002; A61M5/178; A61M5/31; A61M5/32; A61M5/3202; Y; Y10; Y10S; Y10S264/00; Y10S264/76; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 60 words
A METHOD FOR ENCASING A HYPODERMIC SYRINGE NEEDLE IN A STERILE, PROTECTIVE CASING OF RUBBER WHICH COMPRISES FORMING TWO PARTIALLY VULCANIZED SECTIONS OF RUBBER IN A MOLD, EACH SECTION BEING PROVIDED WITH A THIN LONGITUDINAL RECESS TO ACCOMMODATE TO NEEDLE AND AN ENLARGE RECESS TO ACCOMODATE A NEDDLE COLLAR, PLACING BETWEEN SAID SECTIONS A NEEDLE HAVING AN ENLARGED COLLAR PORTION

References Cited (Backward Citations)

US212939A Cited
US254716A Cited
US1547399A Cited
GB225154A Cited
US2289872A Cited
US2318379A Cited
US2313766A Cited
US2619228A Cited
US2750719A 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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