Patent US3923604A successfully refreshed from Google Patents.
US3923604A
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Tubular articles
Assignee: M&H Plastics Inc
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Filing: 1971-04-26
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Granted: 1975-12-02
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Expires: 1991-04-26
Abstract
Abstract This invention relates to a disposable device for housing diagnostic swabs or similar devices comprising a plastic tube containing medium in a breakable sealed section and a swab in a second section adapted so that the swab can break the seal separating it from the medium.
Inventors
- 👤 Frank Monaghan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:12
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; C; C12; C12M; C12M33/00; C12M33/02; C12M45/00; C12M45/22; A61B10/0096; A61F; A61F13/00; A61F13/15; A61F13/38; G; G01; G01N; G01N1/00; G01N1/02; G01N2001/028; Y; Y10; Y10S; Y10S435/00; Y10S435/81
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
91 words
A DISPOSABLE CULTURE TUBE DEVICE COMPRISING: A. AN UPPER PLASTIC TUBE OPEN AT ONE END AND SEALED AT THE OTHER; B. THE SEAL BEING SHAPED SO AS TO FRICTIONALLY HOLD THE END OF AN SWAB; C. A SWAB FRICTIONALLY HELD IN SAID UPPER PLASTIC TUBE, D. A LOWER PLASTIC TUBE OPEN AT ONE END AND SEALED AT THE OTHER, HAVING A CHAMBER FORMED BY, E. WELDING CLOSED THE PLASTIC TUBE BETWEEN ITS ENDS; F. A LIQUID MEDIUM WITHIN THE CHAMBER; G. THE UPPER AND LOWER TUBES ADAPTED TO FIT TIGHTLY TOGETHER.
Claim 2
Dependent Claim
91 words
A DISPOSABLE CULTURE TUBE DEVICE COMPRISING: A. AN UPPER PLASTIC TUBE OPEN AT ONE END AND SEALED AT THE OTHER; B. THE SEAL BEING SHAPED SO AS TO FRICTIONALLY HOLD THE END OF AN SWAB; C. A SWAB FRICTIONALLY HELD IN SAID UPPER PLASTIC TUBE, D. A LOWER PLASTIC TUBE OPEN AT ONE END AND SEALED AT THE OTHER, HAVING A CHAMBER FORMED BY, E. WELDING CLOSED THE PLASTIC TUBE BETWEEN ITS ENDS; F. A LIQUID MEDIUM WITHIN THE CHAMBER; G. THE UPPER AND LOWER TUBES ADAPTED TO FIT TIGHTLY TOGETHER.
Claim 3
Dependent Claim
27 words
The device of claim 1 wherein the open end of the lower tube is cut at an angle relative to the open end of the upper tube.
Claim 4
Dependent Claim
28 words
The device of claim 1 wherein the upper tube has a diameter larger than the lower tube so that the upper tube slides frictionally over the lower tube.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |