Patent US3229155A successfully refreshed from Google Patents.
US3229155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric arc device for heating gases
Assignee: Individual
•
Filing: 1960-12-20
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Granted: 1966-01-11
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 William C A Carlson
- 👤 Carl E Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:59
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/44
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
AN ELECTRIC ARC DEVICE FOR HEATING GASES COMPRISING: A CHAMBER HAVING A LONGITUDINAL AXIS; A PLURALITY OF ANNULAR ELECTRODES EACH BEING SYMMETRICAL ABOUT A SEPARATE LONGITUDINAL AXIS, SAID ELECTRODE BEING DISPOSED WITHIN SAID CHAMBER, SAID LONGITUDINAL AXES OF SAID ELECTRODES DEFINING A PLANE AND ALL INTERSECTING AT SAID LONGITUDINAL AXIS OF SAID CHAMBER, SAID ELECTRODE AXES BEING EQUALLY SPACED ABOUT SAID CHAMBER AXIS; MEANS CONNECTED TO SAID ELECTRODES TO ESTABLISH ARCS BETWEEN ADJACENTLY DISPOSED ELECTRODES; MEANS FOR COOLING SAID ELECTRODES; MEANS IN PROMIXITY TO SAID ELECTRODES TO PRODUCE A MAGNETIC FIELD AT EACH ELECTRODE, SAID MAGNETIC FIELD AT EACH ELECTRODE HAVING COMPONENTS PARALLEL AND TRANSVERSE TO THE AXIS OF THAT ELECTRODE AND A FLUX DENSITY INDEPENDENT OF ARC CURRENT, SAID FIELD CONTINUOUSLY ROTATING SAID ARCS ABOUT SAID ELECTRODES TO MINIMIZE ELECTRODE ABLATION; AND MEANS FOR ENABLING GASES TO PASS THROUGH SAID CHAMBER NEAR SAID ELECTRODES.
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |