Patent US2836942A successfully refreshed from Google Patents.
US2836942A
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Method of encasing and sterilizing needles
Assignee: Pfizer Inc
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Filing: 1953-11-16
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Granted: 1958-06-03
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Expires: 1973-11-16
Abstract
No abstract record available.
Inventors
- 👤 John J Miskel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:27
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
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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 |