US3304009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen lance construction
Assignee: Individual
•
Filing: 1964-07-01
•
Granted: 1967-02-14
•
Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Leland H Hutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:59
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
IN A DEVICE OF THE CHARACTER DESCRIBED, THREE CONCENTRICALLY SPACED TUBULAR MEMBERS, A NOZZLE OR TIN SUN PORTED BY THE INNERMOST OF SAID MMEMBERS, SAID NOZZLE OR TIP MASE AS A ONE-PIECE MEMBER OF COPPER HAVING A SERIES OF PASSAGEWAYS CONSISTING OF CIRCUMFERENTIALLY SPACED INCLINED BORES DIVERGING DOWNWARDLY AND OUTWARDLY THROUGH SAID NOZZLE OR TIP FOR THE PASSAGE OF OXYGEN THERETHROUGH, SAID NOZZLE OR TIP HAVING A SECOND SERIES OF PASSAGEWAYS CONSISTING OF CYLINDRICAL BORES ARRANGED CIRCUMFERENTIALLY ALTERNATELY WITH SAID FIRST-NAMED PASSAGEWAYS AND EXTENDING UPWARDLY AND OUTWARDLY FROM A REGION WITHIN THE NOZZLE OR TIP TO THE OUTER SURFACE OF THE NOZZLE OR TIP, SAID NOZZLE OR TIP HAVING A THIRD SERIES OF PASSAGEWAYS CONSISTING OF CYLINDRICAL BORES ARRANGED CIRCUMFERENTIALLY ALTERNATELY WITH SAID FIRST-NAMED PASSAGEWAYS AND EXTENDPOSED ABOVE SAID SECOND-NAMED PASSAGEWAYS AND EXTENDING UPWARDLY AND OUTWARDLY FROM A REGION WITHIN SAID NOZZLE OR TIP TO THE OUTER SURFACE OF THE NOZZLE OR TIP, BUT AT AN ANGLE TO THE AXIS OF THE NOZZLE DIFFERENT FROM THAT OF SAID SECOND-NAMED PASSAGEWAYS, THE INNER ENDS OF SAID SECOND AND THIRD SERIES OF PASSAGEWAYS HAVING FLUID COMMUNICATION WITH EACH OTHER, WHEREBY A COOLING FLUID PASSING THROUGH SAID SECOND OR THIRD-NAMED PASSAGEWAYS PASSES THROUGH THE OTHER OF SAID SERIES OF SECOND OR THIRD-NAMED PASSAGEWAYS.
Claim 2
Dependent Claim
210 words
IN A DEVICE OF THE CHARACTER DESCRIBED, THREE CONCENTRICALLY SPACED TUBULAR MEMBERS, A NOZZLE OR TIN SUN PORTED BY THE INNERMOST OF SAID MMEMBERS, SAID NOZZLE OR TIP MASE AS A ONE-PIECE MEMBER OF COPPER HAVING A SERIES OF PASSAGEWAYS CONSISTING OF CIRCUMFERENTIALLY SPACED INCLINED BORES DIVERGING DOWNWARDLY AND OUTWARDLY THROUGH SAID NOZZLE OR TIP FOR THE PASSAGE OF OXYGEN THERETHROUGH, SAID NOZZLE OR TIP HAVING A SECOND SERIES OF PASSAGEWAYS CONSISTING OF CYLINDRICAL BORES ARRANGED CIRCUMFERENTIALLY ALTERNATELY WITH SAID FIRST-NAMED PASSAGEWAYS AND EXTENDING UPWARDLY AND OUTWARDLY FROM A REGION WITHIN THE NOZZLE OR TIP TO THE OUTER SURFACE OF THE NOZZLE OR TIP, SAID NOZZLE OR TIP HAVING A THIRD SERIES OF PASSAGEWAYS CONSISTING OF CYLINDRICAL BORES ARRANGED CIRCUMFERENTIALLY ALTERNATELY WITH SAID FIRST-NAMED PASSAGEWAYS AND EXTENDPOSED ABOVE SAID SECOND-NAMED PASSAGEWAYS AND EXTENDING UPWARDLY AND OUTWARDLY FROM A REGION WITHIN SAID NOZZLE OR TIP TO THE OUTER SURFACE OF THE NOZZLE OR TIP, BUT AT AN ANGLE TO THE AXIS OF THE NOZZLE DIFFERENT FROM THAT OF SAID SECOND-NAMED PASSAGEWAYS, THE INNER ENDS OF SAID SECOND AND THIRD SERIES OF PASSAGEWAYS HAVING FLUID COMMUNICATION WITH EACH OTHER, WHEREBY A COOLING FLUID PASSING THROUGH SAID SECOND OR THIRD-NAMED PASSAGEWAYS PASSES THROUGH THE OTHER OF SAID SERIES OF SECOND OR THIRD-NAMED PASSAGEWAYS.
References Cited (Backward Citations)
US2807506A
Cited
US2979270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |