Patent US3340415A successfully refreshed from Google Patents.
US3340415A
Expired / Lapsed
US
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Induction gas ionizer having a rotatable envelope
Assignee: US Philips Corp
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Filing: 1965-10-19
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Granted: 1967-09-05
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Ruiter Jacob Willem De
- 👤 Willemstein Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:05
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/30; H05B; H05B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ELECTRIC GAS DISCHARGE BURNER COMPRISING A SUBSTANTIALLY CYLINDRICAL ENVELOPE CONSTITUTED OF A NON-CONDUCTING REFRACTORY MATERIAL, AN HELICAL HIGH FREQUENCY COIL LOCATED AROUND A PORTION OF SAID ENVELOPE, AN INLET FOR THE GAS SUPPLIED INTO SAID ENVELOPE, SAID GAS BEING OF THE TYPE FOR PRODUCING AN ELECTRIC DISCHARGE, AND MEANS FOR ROTATING SAID ENVELOPE WITHIN SAID COIL ABOUT A ROTATIONAL AXIS WHICH SUBSTANTIALLY COINCIDES WITH THE AXIS OF SAID CYLINDRICAL ENVELOPE, THE OUTER WALL OF SAID ENVELOPE BEING MOVABLE RELATIVE TO SAID COIL.
Claim 2
Dependent Claim
83 words
AN ELECTRIC GAS DISCHARGE BURNER COMPRISING A SUBSTANTIALLY CYLINDRICAL ENVELOPE CONSTITUTED OF A NON-CONDUCTING REFRACTORY MATERIAL, AN HELICAL HIGH FREQUENCY COIL LOCATED AROUND A PORTION OF SAID ENVELOPE, AN INLET FOR THE GAS SUPPLIED INTO SAID ENVELOPE, SAID GAS BEING OF THE TYPE FOR PRODUCING AN ELECTRIC DISCHARGE, AND MEANS FOR ROTATING SAID ENVELOPE WITHIN SAID COIL ABOUT A ROTATIONAL AXIS WHICH SUBSTANTIALLY COINCIDES WITH THE AXIS OF SAID CYLINDRICAL ENVELOPE, THE OUTER WALL OF SAID ENVELOPE BEING MOVABLE RELATIVE TO SAID COIL.
References Cited (Backward Citations)
CH360733A
Cited
US3157055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |