Patent US3138740A successfully refreshed from Google Patents.
US3138740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low cost ionizer
Assignee: General Electric Co
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Filing: 1961-07-10
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Granted: 1964-06-23
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:40
CPC Classifications
A; A61; A61M; A61M15/00; A61M15/02; H; H01; H01T; H01T23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A LOW COST IONIZER COMPRISING A LAMP INCLUDING A FLAME SUSTAINING MEMBER FABRICATED OF AN ELECTRICALLY CONDUCTIVE MATERIAL AT LEAST IN THE PART THEREOF ADJACENT THE FLAME AND ADAPTED TO BURN A NON-NOXIOUS FUEL, A HOLLOW SUPPORTING STAND SUPPORTING SAID LAMP, MEANS FOR PHYSICALLY SUPPORTING A PLURALITY OF ELECTRIC BATTERIES WITHIN THE HOLLOW INTERIOR OF SAID SUPPORTING STAND, MEANS FOR CONNECTING A PLURALITY OF ELECTRIC BATTERIES THUS SUPPORTED IN SERIES ELECTRICAL RELATIONSHIP, MEANS FOR CONNECTING ONE TERMINAL OF SUCH SERIES CONNECTED AND PHYSICALLY SUPPORTED ELECTRIC BATTERIES TO AT LEAST SAID ELECTRICALLY CONDUCTIVE MATERIAL ADJACENT THE FLAME OF SAID LAMP, AND MEANS FOR ELECTRICALLY GROUNDING THE REMAINING TERMINAL OF SUCH SERIES CONNECTED AND PHYSICALLY SUPPORTED ELECTRIC BATTERIES.
Claim 2
Dependent Claim
116 words
A LOW COST IONIZER COMPRISING A LAMP INCLUDING A FLAME SUSTAINING MEMBER FABRICATED OF AN ELECTRICALLY CONDUCTIVE MATERIAL AT LEAST IN THE PART THEREOF ADJACENT THE FLAME AND ADAPTED TO BURN A NON-NOXIOUS FUEL, A HOLLOW SUPPORTING STAND SUPPORTING SAID LAMP, MEANS FOR PHYSICALLY SUPPORTING A PLURALITY OF ELECTRIC BATTERIES WITHIN THE HOLLOW INTERIOR OF SAID SUPPORTING STAND, MEANS FOR CONNECTING A PLURALITY OF ELECTRIC BATTERIES THUS SUPPORTED IN SERIES ELECTRICAL RELATIONSHIP, MEANS FOR CONNECTING ONE TERMINAL OF SUCH SERIES CONNECTED AND PHYSICALLY SUPPORTED ELECTRIC BATTERIES TO AT LEAST SAID ELECTRICALLY CONDUCTIVE MATERIAL ADJACENT THE FLAME OF SAID LAMP, AND MEANS FOR ELECTRICALLY GROUNDING THE REMAINING TERMINAL OF SUCH SERIES CONNECTED AND PHYSICALLY SUPPORTED ELECTRIC BATTERIES.
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |