Patent US4392389A successfully refreshed from Google Patents.
US4392389A
Expired / Lapsed
US
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Sampling tube having closing caps
Assignee: Draegerwerk AG and Co KGaA
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Filing: 1981-09-03
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Granted: 1983-07-12
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Expires: 2001-09-03
Abstract
Abstract A sampling tube arrangement of the type having elongated sampling tubes with closing caps made of elastic plastic material is disclosed in which a plurality of closing caps are joined one to another through severable webs connecting adjacent closing caps. Each cap is provided with a plug-in connection comprising a male part on one side and a female part on the other side to provide a reconnecting mechanism for reconnecting the closed tubes after the sampling has been completed.
Inventors
- 👤 Wolfgang Eckstein
- 👤 Horst Rabenecker
- 👤 Jurgen Behnke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:35
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/5082; B01L3/50825; G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/2202; G01N1/2214; G01N1/28; G01N1/40; G01N1/405; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10S229/00; Y10S229/927
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
130 words
An improved sampling tube arrangement of the type having an elongated sampling tube with closing caps made of an elastic plastic adapted to be received upon and close the ends of the sampling tube, comprising a plurality of the closing caps, webs connecting adjacent closing caps to form a string of closing caps, each of said webs being severable between adjacent closing caps, reconnecting means for reconnecting two adjacent closing caps to each other, said reconnecting means including a plug-in connection comprising a male part provided on one side of the closing cap and a fitting female part adapted to fittingly receive the male part of an adjacent connecting cap provided on the other side of the closing cap, and each cap having an area intermediate said sides for labeling.
Claim 2
Dependent Claim
130 words
An improved sampling tube arrangement of the type having an elongated sampling tube with closing caps made of an elastic plastic adapted to be received upon and close the ends of the sampling tube, comprising a plurality of the closing caps, webs connecting adjacent closing caps to form a string of closing caps, each of said webs being severable between adjacent closing caps, reconnecting means for reconnecting two adjacent closing caps to each other, said reconnecting means including a plug-in connection comprising a male part provided on one side of the closing cap and a fitting female part adapted to fittingly receive the male part of an adjacent connecting cap provided on the other side of the closing cap, and each cap having an area intermediate said sides for labeling.
Claim 3
Dependent Claim
28 words
An improved sampling tube arrangement as set forth in claim 1, wherein each of the webs includes indentations for facilitating severance of the webs intermediate adjacent closing caps.
Claim 4
Dependent Claim
27 words
An improved sampling tube arrangement as set forth in claim 1 or 2, wherein said plug-in connection comprises a dovetail male part and a dovetail female part.
References Cited (Backward Citations)
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US3295710A
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US3954176A
Cited
US3907505A
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US3952873A
Cited
US4007639A
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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) | 1986-07-11 | 1987-01-10 | 1987-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-11 | 1991-01-10 | 1991-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-11 | 1995-01-10 | 1995-07-12 | $7700.00 | Window Closed / Lapsed |