US3908638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood sampling device
Assignee: SmithKline Beecham Corp
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Filing: 1973-06-13
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Granted: 1975-09-30
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Expires: 1993-06-13
Abstract
Abstract A device for taking samples of blood is composed of a tube closed at one end, a ferrule solid with a needle fitting onto the open end of the tube and sealing it except for at least one air outlet hole and the aperture of the needle, and a stopper or cap fitting exclusively onto the ferrule in such a way as to seal the hole or holes as well as the aperture of the needle.
Inventors
- 👤 Alain Porcher
- 👤 Edouard Lefevre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:56
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150885; A61B5/150893; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150213; A61B5/150351; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150503; A61B5/150534; A61B5/15058; A61B5/150587; A61B5/150595; A61B5/150694; A61B5/150717; A61B5/153
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
96 words
A blood sampling device comprising a tube closed at one end and open at the opposite end, a closure plug mounted in the open end, said plug having an air vent hole therein, and a second hole, a hollow needle fixedly supported in the second hole and extending above said tube, said needle having a central bore which communicates with the interior of the tube, and a cap positioned over the needle and the vent hole and in sealing engagement with the plug, said cap sealing said vent hole from said needle bore, external said tube.
Claim 2
Dependent Claim
96 words
A blood sampling device comprising a tube closed at one end and open at the opposite end, a closure plug mounted in the open end, said plug having an air vent hole therein, and a second hole, a hollow needle fixedly supported in the second hole and extending above said tube, said needle having a central bore which communicates with the interior of the tube, and a cap positioned over the needle and the vent hole and in sealing engagement with the plug, said cap sealing said vent hole from said needle bore, external said tube.
Claim 3
Dependent Claim
35 words
The device of claim 1 in which the cap is in direct sealing engagement with the plug surface surrounding said vent hole so that the vent hole is covered at one opening by the cap.
Claim 4
Dependent Claim
39 words
The device of claim 1 in which the plug includes a circular groove which extends to one opening of the vent hole, and in which the cap is securely held in place in the circular groove of the plug.
Claim 5
Dependent Claim
39 words
The device of claim 2 in which the plug includes a circular groove which extends to one opening of the vent hole, and in which the cap is securely held in place in the circular groove of the plug.
Claim 6
Dependent Claim
31 words
The device of claim 1 in which the tube includes a locking device and the cap includes a mating locking device for secure engagement to said locking device of said tube.
Claim 7
Dependent Claim
31 words
The device of claim 2 in which the tube includes a locking device and the cap includes a mating locking device for secure engagement to said locking device of said tube.
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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) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |