US3082769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intravenous needle
Assignee: Clay Adams Inc
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Filing: 1960-12-19
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Granted: 1963-03-26
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Dewey H Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3286
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
A HOLLOW NEEDLE INCLUDING A CANNULA PORTION AND A BEVELLED TIP PORTION, SAID CANNULA PORTION COMPRISING A NARROW ANNULAR PORTION PROJECTING RADIALLY OUTWARD OF THE OUTER SURFACE OF SAID CANNULA PORTION AT A POINT ADJACENT THE REAR OF SAID BEVELLED TIP PORTION, SAID CANNULA PORTION BEING FORMED WITH AN ANNULAR GROOVE EXTENDING REARWARDLY FROM SAID RADIAL ANNULAR PORTION, SAID ANNULAR GROOVE HAVING A LENGTH GREATER THAN THE RADIAL DEPTH OF SAID RADIAL ANNULAR PORTION, SAID RADIAL ANNULAR PORTION HAVING AN INCLINED ANNULAR SURFACE PORTION EXTENDING TOWARD SAID BEVELLED TIP PORTION AND AN INCLINED ANNULAR SURFACE PORTION EXTENDING TOWARD SAID GROOVE AND MERGING WITH SAID GROOVE, SAID RADIAL ANNULAR PORTION HAVING AN OUTER DIAMETER GREATER THAN THE OUTER DIAMETER OF THE CANNULA PORTION IMMEDIATELY FORWARD THEREOF AND THE CANNULA PORTION IMMEDIATELY REARWARD OF SAID ANNULAR GROOVE.
References Cited (Backward Citations)
US2770236A
Cited
GB843744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |