US3102418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for testing for polymorphonuclear leukocytes
Assignee: University of California Berkeley
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Filing: 1960-09-12
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Granted: 1963-09-03
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Oscar W Schalm
- 👤 Daniel O Noorlander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:43
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/02; G01N33/04; G01N31/00; G01N31/22; G01N31/221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD FOR TESTING FOR THE PRESENCE OF POLYMORPHONUCLEAR LEUKOCYTE CELLS IN A MAMMALIAN FRESH MILK COMPRISING MIXING SUBSTANTIALLY EQUAL PARTS OF THE MILK TO BE TESTED WITH A SUBSTANTIALLY PH NEUTRAL AQUEOUS SOLUTION OF AN ANIONIC SURFACE ACTIVE AGENT CONTAINING A TRACE OF A PH INDICATOR AND NOTING THE EXTENT OF THICKENING OR DEVELOPMENT OF VISCOSITY IN THE RESULTING MIXTURE.
Claim 2
Independent Claim
61 words
A METHOD FOR TESTING FOR THE PRESENCE OF POLYMORPHONUCLEAR LEUKOCYTE CELLS IN A MAMMALIAN FRESH MILK COMPRISING MIXING SUBSTANTIALLY EQUAL PARTS OF THE MILK TO BE TESTED WITH A SUBSTANTIALLY PH NEUTRAL AQUEOUS SOLUTION OF AN ANIONIC SURFACE ACTIVE AGENT CONTAINING A TRACE OF A PH INDICATOR AND NOTING THE EXTENT OF THICKENING OR DEVELOPMENT OF VISCOSITY IN THE RESULTING MIXTURE.
References Cited (Backward Citations)
US2518831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |