Patent US4708850A successfully refreshed from Google Patents.
US4708850A
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Self-contained portable apparatus for blood typing
Assignee: ENNOVATION Corp A CORP OF NEW JERSEY
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Filing: 1985-05-20
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Granted: 1987-11-24
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Expires: 2005-05-20
Abstract
Abstract A plurality of ampules, individually formed, filled with reagents, sealed with a pane and marked with indicia for reagents to be mixed with blood in performing tests to determine blood type groups is disclosed. A receptacle for a blood sample which conveys the blood sample to the ampules and which accomodates a plurality of the ampules is also disclosed along with a means for rupturing each pane.
Inventors
- 👤 Abbas Husain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:36
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/80; Y; Y10; Y10S; Y10S436/00; Y10S436/807; Y10S436/809
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
110 words
In a testing apparatus for determining the blood group of a patient's blood sample, the combination of a receptacle member, a plurality of separately sealed ampulses each containing a distinct anti-serum, said ampules each being detachably joined to a distinct, and non-interchangeable separate site on the receptacle member, the receptacle member having a single chamber with an aperture through which the blood sample is admitted, each said ampule having a plenum sealed by a pane having two faces, one of said faces being exposed to the anti-serum in said ampule and the other said face being exposed to the blood sample, and a separate means for opening each said plenum.
Claim 2
Dependent Claim
110 words
In a testing apparatus for determining the blood group of a patient's blood sample, the combination of a receptacle member, a plurality of separately sealed ampulses each containing a distinct anti-serum, said ampules each being detachably joined to a distinct, and non-interchangeable separate site on the receptacle member, the receptacle member having a single chamber with an aperture through which the blood sample is admitted, each said ampule having a plenum sealed by a pane having two faces, one of said faces being exposed to the anti-serum in said ampule and the other said face being exposed to the blood sample, and a separate means for opening each said plenum.
Claim 3
Dependent Claim
31 words
The testing apparatus of claim 1 wherein one of said ampules contains anti-A serum, a second one of said ampules contains anti-B serum and a third said ampule contains anti-Rh serum.
Claim 4
Dependent Claim
61 words
The testing apparatus of claim 2 wherein the plenum of each of three said ampules is filled with an anti-serum and wherein each said ampule has an open cavity adapted to receive a portion of said blood sample and wherein each said cavity is located adjacent said anti-serum in said ampule, a bottom for said cavity being formed by said pane.
Claim 5
Dependent Claim
21 words
The testing apparatus of claim 3 further comprising a like plurality of individual means for opening each pane of each ampule.
Claim 6
Dependent Claim
27 words
The testing apparatus of claim 4 further comprising a fourth ampule containing a substance, said ampule being connected to said receptacle member at a distinct, non-interchangeable site.
Claim 7
Dependent Claim
13 words
The testing apparatus of claim 5 wherein said substance comprises a blood thinner.
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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) | 1990-11-23 | 1991-05-25 | 1991-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-23 | 1995-05-25 | 1995-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-23 | 1999-05-25 | 1999-11-24 | $7700.00 | Window Closed / Lapsed |