Patent US3607098A successfully refreshed from Google Patents.
US3607098A
Expired / Lapsed
US
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Containers for laboratory use
Assignee: Individual
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Filing: 1968-10-17
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Granted: 1971-09-21
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Expires: 1988-10-17
Abstract
Abstract A container having an upper open end through which the container can be filled with liquid, such as a specimen of blood, and a closure fluid-tightly closing the open end of the container. The closure has a portion within the opening which is pierceable by a sedimentation tube or the like and the portion of the closure within the opening is constructed to close fluid-tightly about the outer surface of the tube when the latter is pushed through the closure.
Inventors
- 👤 Carl Sloth Strande
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:00
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/5082
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
45 words
A device as defined in claim 1, wherein said wall means comprise an innEr frustoconical part which is closed at the bottom by said pierceable bottom portion, said frustoconical part having an outer surface radially inwardly spaced from the inner surface of said annular wall.
Claim 2
Dependent Claim
27 words
A device as defined in claim 2, wherein said pierceable bottom portion and the sedimentation tube to be inserted into said container have substantially equal outer diameters.
Claim 3
Dependent Claim
23 words
A device as defined in claim 1, wherein said container has spaced from said annular wall defining said opening a flexible wall portion.
Claim 4
Dependent Claim
24 words
A device as defined in claim 4, wherein said container is substantially cylindrical, and wherein said flexible wall portion is an annular wall portion.
Claim 5
Dependent Claim
46 words
A device as defined in claim 5, wherein said container has a closed bottom end portion having an inner cylindrical surface of a diameter to tightly engage about a sedimentation tube extending downwardly in said container in engagement with said bottom end portion of the latter.
References Cited (Backward Citations)
US2693892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |