US4970056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone generator with improved dielectric and method of manufacture
Assignee: LG Electronics Inc
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Filing: 1989-01-18
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Granted: 1990-11-13
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Expires: 2009-01-18
Abstract
Abstract An ozone generating cell which utilizes a quartz dielectric for providing high purity ozone. The quarts dielectric is cemented to one of the electrodes of the cell, and is then ground to a desired dimension.
Inventors
- 👤 Robert D. Wooten
- 👤 John C. Egermeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:59
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B2201/00; C01B2201/10; C01B2201/12; C01B2201/30; C01B2201/34; C01B2201/70; C01B2201/74; Y; Y10; Y10S; Y10S422/00; Y10S422/907
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
104 words
A corona discharge cell comprising, a first electrode having a given surface area, a thin, quartz dielectric layer of 30 mils thickness or less and having a surface area of more than twenty-five square inches cemented to said first electrode, said dielectric layer having been created by first cementing a quartz layer to said first electrode, and then grinding it down to said thickness of 30 mils or less, wherein said given surface area of said first electrode is about the same as the surface area of the dielectric, and a second electrode which is spaced from said dielectric layer by an air gap.
Claim 2
Dependent Claim
104 words
A corona discharge cell comprising, a first electrode having a given surface area, a thin, quartz dielectric layer of 30 mils thickness or less and having a surface area of more than twenty-five square inches cemented to said first electrode, said dielectric layer having been created by first cementing a quartz layer to said first electrode, and then grinding it down to said thickness of 30 mils or less, wherein said given surface area of said first electrode is about the same as the surface area of the dielectric, and a second electrode which is spaced from said dielectric layer by an air gap.
Claim 3
Dependent Claim
101 words
A corona discharge cell comprising, a first electrode having a given surface area, a thin, quartz dielectric layer of about 20 mils thickness and having a surface area of more than sixteen square inches cemented to said first electrode, said dielectric layer having been created by first cementing a quartz layer to said first electrode, and then grinding it down to said thickness of 20 mils, wherein said given surface area of said first electrode is about the same as the surface area of the dielectric, and a second electrode which is spaced from said dielectric layer by an air gap.
Claim 4
Dependent Claim
101 words
A corona discharge cell comprising, a first electrode having a given surface area, a thin, quartz dielectric layer of about 20 mils thickness and having a surface area of more than sixteen square inches cemented to said first electrode, said dielectric layer having been created by first cementing a quartz layer to said first electrode, and then grinding it down to said thickness of 20 mils, wherein said given surface area of said first electrode is about the same as the surface area of the dielectric, and a second electrode which is spaced from said dielectric layer by an air gap.
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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) | 1993-11-12 | 1994-05-14 | 1994-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-11-12 | 1998-05-14 | 1998-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-11-12 | 2002-05-14 | 2002-11-13 | $7700.00 | Window Closed / Lapsed |