US3234432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air ionizer
Assignee: RCA Corp
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Filing: 1961-12-28
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Granted: 1966-02-08
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Streib Albrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:28
CPC Classifications
H; H01; H01T; H01T23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN APPARATUS OF THE TYPE WHEREIN A VOLTAGE IS TO BE APPLIED BETWEEN TWO ELECTRODES TO CAUSE IONS TO FLOW THEREBETWEEN, ONE OF SAID ELECTRODES COMPRISING A METAL SHIELD, THE OTHER OF SAID ELECTRODES COMPRISING A WIRE SPACED AND INSULATED FROM SAID SHIELD, THE IMPROVEMENT COMPRISING A SHIELDED CABLE INCLUDING AN INNER CONDUCTOR AND A GROUNDED SHIELDING CONDUCTOR FOR CONDUCTING CURRENT TO SAID ELECTRODES, MEANS CONNECTING SAID INNER CONDUCTOR TO SAID WIRE, A RESISTOR, AND MEANS CONNECTING SAID RESISTOR BETWEEN SAID SHIELD AND SAID SHIELDING CONDUCTOR WHEREBY IONS TRAVEL IN A RELATIVELY STEADY STREAM AWAY FROM SAID METAL SHIELD.
Claim 2
Dependent Claim
99 words
IN APPARATUS OF THE TYPE WHEREIN A VOLTAGE IS TO BE APPLIED BETWEEN TWO ELECTRODES TO CAUSE IONS TO FLOW THEREBETWEEN, ONE OF SAID ELECTRODES COMPRISING A METAL SHIELD, THE OTHER OF SAID ELECTRODES COMPRISING A WIRE SPACED AND INSULATED FROM SAID SHIELD, THE IMPROVEMENT COMPRISING A SHIELDED CABLE INCLUDING AN INNER CONDUCTOR AND A GROUNDED SHIELDING CONDUCTOR FOR CONDUCTING CURRENT TO SAID ELECTRODES, MEANS CONNECTING SAID INNER CONDUCTOR TO SAID WIRE, A RESISTOR, AND MEANS CONNECTING SAID RESISTOR BETWEEN SAID SHIELD AND SAID SHIELDING CONDUCTOR WHEREBY IONS TRAVEL IN A RELATIVELY STEADY STREAM AWAY FROM SAID METAL SHIELD.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |