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US2681653A
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Hypodermic injection orifice structure and method of making same
Assignee: Becton Dickinson and Co
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Filing: 1950-09-06
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Granted: 1954-06-22
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Expires: 1970-09-06
Abstract
No abstract record available.
Inventors
- 👤 George F Kuhne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:57
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/30; A61M5/24; A61M5/2422; A61M5/2425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254757A
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US2380534A
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US2423203A
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US2322245A
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US2398514A
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US2578812A
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US2567673A
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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) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |