US3256431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analyzing apparatus
Assignee: Elkem Metals Co LP
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Filing: 1962-12-20
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Granted: 1966-06-14
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Ian H S Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:53
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/22; G01N23/223; G01N2223/00; G01N2223/07; G01N2223/076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN APPARATUS FOR ANALYZING MOLTEN MATERIAL WHICH COMPRISES A HOLLOW VERTICALLY EXTENDING BODY MEMBER HAVING A GRAPHITE BOTTOM PORTION, SAID BODY MEMBER ADAPTED TO HAVE THE GRAPHITE BOTTOM PORTION THEREOF PLACED IN CONTACT WITH THE MOLTEN MATERIAL; A SOURCE OF PRIMARY X-RAY RADIATION LOCATED AND CENTRALLY ALIGNED WITHIN SAID BODY MEMBER AND ARRANGED AND ADAPTED TO TRANSMIT X-RAY RADIATION THROUGH THE GRAPHITE BOTTOM PORTION OF SAID BODY MEMBER TO DEVELOP SECONDARY FLUORSCENT RADIATION IN SAID MOLTEN MATERIAL; AT LEAST ONE DETECTING MEANS LOCATED WITHIN SAID BODY MEMBER AND BEING ADAPTED TO RECEIVE SECONDARY FLUORESCENT RADIATION WHICH IS DEVELOPED IN SAID MOLTEN MATERIAL BY SAID PRIMARY X-RAY RADIATION AND WHICH PASSES THROUGH THE GRAPHITE BOTTOM PORTION OF SAID BODY MEMBER, SAID GRAPHITE BOTTOM PORTION OF SAID BODY MEMBER HAVING A FIRST BORE PASSING PARTIALLY THROUGH SAID BOTTOM MEMBER DIRECTLY BELOW THE SOURCE OF PRIMARY X-RAY RADIATION TO THEREBY FACILITATE THE TRANSMISSION OF RADIATION TO THE MOLTEN MATERIAL AND SAID
Claim 2
Independent Claim
158 words
AN APPARATUS FOR ANALYZING MOLTEN MATERIAL WHICH COMPRISES A HOLLOW VERTICALLY EXTENDING BODY MEMBER HAVING A GRAPHITE BOTTOM PORTION, SAID BODY MEMBER ADAPTED TO HAVE THE GRAPHITE BOTTOM PORTION THEREOF PLACED IN CONTACT WITH THE MOLTEN MATERIAL; A SOURCE OF PRIMARY X-RAY RADIATION LOCATED AND CENTRALLY ALIGNED WITHIN SAID BODY MEMBER AND ARRANGED AND ADAPTED TO TRANSMIT X-RAY RADIATION THROUGH THE GRAPHITE BOTTOM PORTION OF SAID BODY MEMBER TO DEVELOP SECONDARY FLUORSCENT RADIATION IN SAID MOLTEN MATERIAL; AT LEAST ONE DETECTING MEANS LOCATED WITHIN SAID BODY MEMBER AND BEING ADAPTED TO RECEIVE SECONDARY FLUORESCENT RADIATION WHICH IS DEVELOPED IN SAID MOLTEN MATERIAL BY SAID PRIMARY X-RAY RADIATION AND WHICH PASSES THROUGH THE GRAPHITE BOTTOM PORTION OF SAID BODY MEMBER, SAID GRAPHITE BOTTOM PORTION OF SAID BODY MEMBER HAVING A FIRST BORE PASSING PARTIALLY THROUGH SAID BOTTOM MEMBER DIRECTLY BELOW THE SOURCE OF PRIMARY X-RAY RADIATION TO THEREBY FACILITATE THE TRANSMISSION OF RADIATION TO THE MOLTEN MATERIAL AND SAID
References Cited (Backward Citations)
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US2465322A
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US2943202A
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US3100814A
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US3012140A
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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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |