US3445651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiometric analysis of powdered sample material
Assignee: Hilger and Watts Ltd
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Filing: 1964-07-06
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Granted: 1969-05-20
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Peter Edward Starnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:42
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/12; G01N23/083
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
APPARATUS FOR TESTING POWDERED SAMPLE MATERIAL BY RADIOMETRIC ANALYSIS INCLUDING A MOVABLE SAMPLE CARRIER, MEANS FOR FEEDING SAID POWDERED SAMPLE MATERIAL TO SAID CARRIER, MEANS FOR FORMING A LAYER OR RIBBON OF POWDERED SAMPLE MATERIAL ON SAID CARRIER OF SUBSTANTIALLY CONSTANT MASS PER UNIT AREA AND SUBSTANTIALLY CONSTANT THICKNESS AND WIDTH, MEANS FOR CONTINUOUSLY MEASURING THE WEIGHT OF SAID POWDERED SAMPLE MATERIAL ON SAID CARRIER, MEANS FOR REGULATING THE RATE OF FEED OF SAID POWDERED SAMPLE MATERIAL TO SAID CARRIER IN ORDER TO MAINTAIN THE WEIGHT OF SAID POWDERED MATERIAL ON SAID CARRIOR SUBSTANTIALLY CONSTANT, A SOURCE OF RADIATION PAST WHICH SAID SAMPLE LAYER CAN BE MOVED BY THE CARRIER AT A SUBSTANTIALLY CONSTANT DISTANCE FROM SAID SOURCE SO AS TO BE IRRADIATED THEREBY AND MEANS FOR MEASURING THE RESULTANT RADIATIONS EMANATING FROM THE SAMPLE MATERIAL.
References Cited (Backward Citations)
US2914676A
Cited
US3025400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |