US3302882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen alnce construction
Assignee: Individual
•
Filing: 1964-07-01
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Granted: 1967-02-07
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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
139 words
IN A DEVICE OF THE CHARACTER DESCRIBED, THREE CONCENTRICALLY SPACED TUBULAR MEMBERS, A NOZZLE SUPPORTED BY THE INNERMOST OF SAID MEMBERS, SAID NOZZLE MADE 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 FOR THE PASSAGE OF OXYGEN THERETHROUGH, SAID NOZZLE 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 TO THE EXTERNAL WALL OF THE NOZZLE, SAID NOZZLE HAVING A THIRD SERIES OF PASSAGEWAYS CONSISTING OF CYLINDRICAL BORES ARRANGED CIRCUMFERENTIALLY ALTERNATELY WITH SAID FIRSTNAMED PASSAGEWAYS AND DISPOSED ABOVE SAID SECONDNAMED PASSAGEWAYS AND EXTENDING UPWARDLY AND OUTWARDLY FROM SAID SECOND-NAMED PASSAGEWAYS TO THE EXTERNAL WALL OF SAID NOZZLE, BUT AT AN ANGLE TO THE AXIS OF
Claim 2
Dependent Claim
139 words
IN A DEVICE OF THE CHARACTER DESCRIBED, THREE CONCENTRICALLY SPACED TUBULAR MEMBERS, A NOZZLE SUPPORTED BY THE INNERMOST OF SAID MEMBERS, SAID NOZZLE MADE 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 FOR THE PASSAGE OF OXYGEN THERETHROUGH, SAID NOZZLE 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 TO THE EXTERNAL WALL OF THE NOZZLE, SAID NOZZLE HAVING A THIRD SERIES OF PASSAGEWAYS CONSISTING OF CYLINDRICAL BORES ARRANGED CIRCUMFERENTIALLY ALTERNATELY WITH SAID FIRSTNAMED PASSAGEWAYS AND DISPOSED ABOVE SAID SECONDNAMED PASSAGEWAYS AND EXTENDING UPWARDLY AND OUTWARDLY FROM SAID SECOND-NAMED PASSAGEWAYS TO THE EXTERNAL WALL OF SAID NOZZLE, BUT AT AN ANGLE TO THE AXIS OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |