US3234096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions and method for performing pregnancy tests
Assignee: Ortho Pharmaceutical Corp
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Filing: 1961-03-07
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Granted: 1966-02-08
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Pollack William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:19
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/74; G01N33/76; Y; Y10; Y10S; Y10S436/00; Y10S436/815; Y10S436/817; Y10S436/818
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
25 words
A SUSPENSION IN A POLAR LIQUID OF FINELY DIVIDED SOLID PARTICLES HAVING AN AVERAGE DIAMETER OF ABOUT 0.81 MICRON AND COATED WITH HUMAN CHORIONIC GONADOTROPHIN.
Claim 2
Dependent Claim
25 words
A SUSPENSION IN A POLAR LIQUID OF FINELY DIVIDED SOLID PARTICLES HAVING AN AVERAGE DIAMETER OF ABOUT 0.81 MICRON AND COATED WITH HUMAN CHORIONIC GONADOTROPHIN.
Claim 3
Independent Claim
72 words
A METHOD OF DETERMINING PREGNACY WHICH COMPRISES THE STEPS OF: INCUBATING AT ABOUT 37*C. FOR ONE HOUR A MIXTURE OF HUMAN FEMALE URINE AND ANTI-HUMAN CHORIONIC GONADOTROPHIN, ADDING A SUSPENSION OF POLYSTYRENE PARTICLES COATED WITH HUMAN CHORIONIC GONADOTROPHIN AND HAVING AN AVERAGE DIAMETER OF ABOUT 0.81 MICRON, INCUBATING FOR ABOUT TWO HOURS AT ABOUT 37*C., CENTRIFUGING FOR ABOUT TWO MINUTES AT ABOUT 1000 G. AND COMPARING THE SUPERNATANT WITH A TURBIDITY STANDARD.
Claim 4
Independent Claim
72 words
A METHOD OF DETERMINING PREGNACY WHICH COMPRISES THE STEPS OF: INCUBATING AT ABOUT 37*C. FOR ONE HOUR A MIXTURE OF HUMAN FEMALE URINE AND ANTI-HUMAN CHORIONIC GONADOTROPHIN, ADDING A SUSPENSION OF POLYSTYRENE PARTICLES COATED WITH HUMAN CHORIONIC GONADOTROPHIN AND HAVING AN AVERAGE DIAMETER OF ABOUT 0.81 MICRON, INCUBATING FOR ABOUT TWO HOURS AT ABOUT 37*C., CENTRIFUGING FOR ABOUT TWO MINUTES AT ABOUT 1000 G. AND COMPARING THE SUPERNATANT WITH A TURBIDITY STANDARD.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |