US3918818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for detection of trichinellae
Assignee: United States Department of Energy
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Filing: 1974-03-29
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Granted: 1975-11-11
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Expires: 1994-03-29
Abstract
Abstract A process for rapid detection of trichinellae in samples of meat by compressing the said sample by means of a simple mechanical or hand press in a solution of glycerol or ethylene glycol, mounting the compressed sample between glass plates, and projecting this sample onto a standard projection screen.
Inventors
- 👤 Paul M Giles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:26
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/29; G01N33/00; G01N33/02; G01N33/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
57 words
A PROCESS FOR RAPID DETECTION OF TRICHINCELLAE IN MEAT SAMPLES COMPRISING WETTING SAID SAMPLE IN AN ENHANCING REFRACTIVE-INDEX FLUID SELECTED FROM THE CLAS CONSISTING OF GYLCEROL AND ETHYLENE GLYCOL, COMPRISING THE SAID SAMPLE IN A PRESS, MOUNTING TE COMPRESSED SAMPLE BETWEEN GLASS SLIDES COATED WITH THE SAID FLUID, AND PROJECTING THE SAMPLE''S IMAGE BY A PROJECTION MEANS.
Claim 2
Dependent Claim
57 words
A PROCESS FOR RAPID DETECTION OF TRICHINCELLAE IN MEAT SAMPLES COMPRISING WETTING SAID SAMPLE IN AN ENHANCING REFRACTIVE-INDEX FLUID SELECTED FROM THE CLAS CONSISTING OF GYLCEROL AND ETHYLENE GLYCOL, COMPRISING THE SAID SAMPLE IN A PRESS, MOUNTING TE COMPRESSED SAMPLE BETWEEN GLASS SLIDES COATED WITH THE SAID FLUID, AND PROJECTING THE SAMPLE''S IMAGE BY A PROJECTION MEANS.
Claim 3
Dependent Claim
26 words
The process of claim 1 in which the compressing step involves subjecting the meat sample to a force of about 900 pounds per gram of sample.
Claim 4
Dependent Claim
12 words
The process of claim 1 in which the enhancement fluid is glycerol.
Claim 5
Dependent Claim
13 words
The process of claim 1 in which the enhancement fluid is ethylene glycol.
References Cited (Backward Citations)
US251721A
Cited
US3205770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |