US3240069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blast furnace probe
Assignee: United States Steel Corp
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Filing: 1963-09-04
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Granted: 1966-03-15
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Expires: 1983-09-04
Abstract
No abstract record available.
Inventors
- 👤 Kennedy Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:29
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/2247; G01N1/2258; G01N2001/2282; G01N2001/2285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR DETERMINING CONDITIONS AT A PLURALITY OF SPACED POINTS WITHIN A BLAST FURNACE COMPRISING AN OUTER SHELL HAVING A PLURALITY OF HOLLOW CYLINDRICAL PORTIONS DECREASING IN DIAMETER FROM THE OUTER END THEREOF, A CONNECTION BETWEEN ADJACENT CYLINDRICAL PORTIONS, THE AXES OF SAID CYLINDRICAL PORTIONS BEING IN THE SAME VERTICAL PLANE BUT IN DIFFERENT HORIZONTAL PLANES SO THAT THE TOP OF THE SHELL IS SUBSTANTIALLY STRAIGTH, MEANS CLOSING THE FORWARD END OF SAID SHELL, A SAMPLING STATION ATTACHED TO AND EXTENDING FORWARDLY FROM THE FORWARD END OF SAID SHELL, A GUARD PLOW ATTACHED TO AND EXTENDING FORWARDLY FROM THE FORWARD END OF SAID SHELL ABOVE SAID
Claim 2
Dependent Claim
106 words
APPARATUS FOR DETERMINING CONDITIONS AT A PLURALITY OF SPACED POINTS WITHIN A BLAST FURNACE COMPRISING AN OUTER SHELL HAVING A PLURALITY OF HOLLOW CYLINDRICAL PORTIONS DECREASING IN DIAMETER FROM THE OUTER END THEREOF, A CONNECTION BETWEEN ADJACENT CYLINDRICAL PORTIONS, THE AXES OF SAID CYLINDRICAL PORTIONS BEING IN THE SAME VERTICAL PLANE BUT IN DIFFERENT HORIZONTAL PLANES SO THAT THE TOP OF THE SHELL IS SUBSTANTIALLY STRAIGTH, MEANS CLOSING THE FORWARD END OF SAID SHELL, A SAMPLING STATION ATTACHED TO AND EXTENDING FORWARDLY FROM THE FORWARD END OF SAID SHELL, A GUARD PLOW ATTACHED TO AND EXTENDING FORWARDLY FROM THE FORWARD END OF SAID SHELL ABOVE SAID
References Cited (Backward Citations)
DE718766C
Cited
US3130584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |