Patent US4892710A successfully refreshed from Google Patents.
US4892710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge assembly with multi-purpose closure tubing
Assignee: Unisyn Fibertec Corp
•
Filing: 1987-07-07
•
Granted: 1990-01-09
•
Expires: 2007-07-07
Abstract
Abstract A cartridge assembly useful as a sampling or test device includes a cartridge and a closure tubing adapted to close either or both ends of the cartridge and to serve as a conduit for liquids eluted from the cartridge.
Inventors
- 👤 Raphael C. Wong
- 👤 That T. Ngo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:57
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/40; G01N1/405; B; B01; B01D; B01D35/00; B01D35/30; B01D35/301; B01D35/303; B01L; B01L3/00; B01L3/50; B01L3/502; G01N33/00; G01N33/02; G01N33/04; Y; Y10; Y10T; Y10T436/00; Y10T436/25; Y10T436/25375; Y10T436/255
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
56 words
A cartridge assembly which comprises: at least one cartridge means for sampling, testing or purifying materials having a male end and a female end; and a closure tubing having a female end adapted to close the male end of said cartridge means and a male end adapted to close the female end of said cartridge means.
Claim 2
Dependent Claim
56 words
A cartridge assembly which comprises: at least one cartridge means for sampling, testing or purifying materials having a male end and a female end; and a closure tubing having a female end adapted to close the male end of said cartridge means and a male end adapted to close the female end of said cartridge means.
Claim 3
Dependent Claim
50 words
A cartridge assembly according to claim 1 wherein said male end of said at least one cartridge means and said closure tubing comprises thread means and said female end of said at least one cartridge means and said closure tubing adapted to close said male end comprises reciprocating thread means.
Claim 4
Dependent Claim
50 words
A cartridge assembly according to claim 1 wherein said male end of said at least one cartridge means and said closure tubing comprises lug means and said female end of said at least one cartridge means and said closure tubing adapted to close said male end comprises reciprocating thread means.
Claim 5
Dependent Claim
16 words
A cartridge assembly according to claim 1 wherein said cartridge means contains a solid adsorbent material.
Claim 6
Dependent Claim
42 words
A cartridge assembly according to claim 1 wherein said at least one cartridge means comprises a plurality of cartridges in tandem connection whereby the male end of one cartridge is connected to the female end of a next cartridge in tandem connection.
Claim 7
Dependent Claim
40 words
A cartridge assembly according to claim 5 wherein the male end of at least one of said plurality of cartridges comprises lug or thread means and the female end of a next cartridge in tandem connection comprises reciprocating thread means.
Claim 8
Dependent Claim
56 words
A cartridge assembly according to claim 5 wherein the male end of a first cartridge of said plurality of cartridges in the tandem connection is closed by the female end of said closure tubing and the female end of a last cartridge in the tandem connection is closed by the male end of the closure tubing.
Claim 9
Dependent Claim
36 words
A cartridge assembly according to claim 5 further comprising at least one additional closure tubing, the female end of one of said closure tubings being connected to the male end of another of said closure tubings.
Claim 10
Dependent Claim
109 words
A cartridge assembly comprising: cartridge means having a male end and a female end; and a closure tubing having a female end adapted to close the male end of said cartridge means, a male end adapted to close the female end of said cartridge means and a tubing connecting said male and female ends, the cartridge assembly functioning as a closed container when the male and female ends of said cartridge means are closed by means of said closure tubing and functioning as a conduit for a liquid introduced into said container when an end of said closure tubing is disconnected from a reciprocating end of said cartridge means.
Claim 11
Dependent Claim
109 words
A cartridge assembly comprising: cartridge means having a male end and a female end; and a closure tubing having a female end adapted to close the male end of said cartridge means, a male end adapted to close the female end of said cartridge means and a tubing connecting said male and female ends, the cartridge assembly functioning as a closed container when the male and female ends of said cartridge means are closed by means of said closure tubing and functioning as a conduit for a liquid introduced into said container when an end of said closure tubing is disconnected from a reciprocating end of said cartridge means.
References Cited (Backward Citations)
US1433075A
Cited
US3106845A
Cited
US3572552A
Cited
US3825410A
Cited
US4272478A
Cited
US4256461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-08 | 1993-07-10 | 1994-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-08 | 1997-07-10 | 1998-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-08 | 2001-07-10 | 2002-01-09 | $7700.00 | Window Closed / Lapsed |