Patent US2837093A successfully refreshed from Google Patents.
US2837093A
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US
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Hypodermic syringe
Assignee: JOSEPH A ROSENBERG
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Filing: 1954-06-01
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Granted: 1958-06-03
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Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Tash Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:14
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 |