US2964389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determination of oxygen in metals
Assignee: Titanium Metals Corp
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Filing: 1958-08-15
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Granted: 1960-12-13
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Expires: 1978-08-15
Abstract
No abstract record available.
Inventors
- 👤 Sterling J Bennett
- 👤 Elmer D Dilling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:45
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/02; G01N7/04; C; C03; C03C; C03C27/00; C03C27/06; C03C27/08; G01N33/00; G01N33/20; G01N33/202; G01N33/2022; G01N33/2025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
APPARATUS FOR DETERMINING OXYGEN IN METALS COMPRISING, AN ELECTRICAL RESISTOR FURNACE COMPRISING A SHELL, A PLURALITY OF UPSTANDING GRAPHITE LEGS WITHIN SAID SHELL EACH CONNECTABLE TO A LEAD OF AN ELECTRICAL POWER SOURCE, A GRAPHITE CRUCIBLE IN SAID FURNACE SUPPORTED BY SAID GRAPHITE LEGS, MEANS FOR INTRODUCING AN OXYGEN-CONTAINING METAL SAMPLE INTO SAID CRUCIBLE WHEN HEATED THEREBY TO CONVERT THE OXYGEN CONTENT OF SAID SAMPLE TO CARBON MONOXIDE, PUMPING MEANS FOR TRANSFERRING SAID CARBON MONOXIDE FROM SAID CRUCIBLE INTO A CALIBRATED COLLECTION SPACE, MEANS FOR ENCLOSING SAID COLLECTION SPACE, A PORTION OF SAID COLLECTION SPACE BEING SELECTIVELY ENCLOSED
Claim 2
Dependent Claim
98 words
APPARATUS FOR DETERMINING OXYGEN IN METALS COMPRISING, AN ELECTRICAL RESISTOR FURNACE COMPRISING A SHELL, A PLURALITY OF UPSTANDING GRAPHITE LEGS WITHIN SAID SHELL EACH CONNECTABLE TO A LEAD OF AN ELECTRICAL POWER SOURCE, A GRAPHITE CRUCIBLE IN SAID FURNACE SUPPORTED BY SAID GRAPHITE LEGS, MEANS FOR INTRODUCING AN OXYGEN-CONTAINING METAL SAMPLE INTO SAID CRUCIBLE WHEN HEATED THEREBY TO CONVERT THE OXYGEN CONTENT OF SAID SAMPLE TO CARBON MONOXIDE, PUMPING MEANS FOR TRANSFERRING SAID CARBON MONOXIDE FROM SAID CRUCIBLE INTO A CALIBRATED COLLECTION SPACE, MEANS FOR ENCLOSING SAID COLLECTION SPACE, A PORTION OF SAID COLLECTION SPACE BEING SELECTIVELY ENCLOSED
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |