US3149937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate electrode assembly
Assignee: American Air Filter Co Inc
•
Filing: 1961-10-31
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Granted: 1964-09-22
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Alan E Revell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:53
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/86; B03C3/40; B03C3/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A PLATE ELECTRODE ASSEMBLY FOR AN ELECTROSTATIC PRECIPITATOR INCLUDING AN IONIZER ZONE AND A COLLECTOR ZONE, SAID IONIZER ZONE HAVING SPACED ELECTRODE PLATES EXTENDING THEREIN AND HAVING SPACED DISCHARGE IONIZING ELECTRODE MEMBERS DISPOSED ALTERNATELY WITH RESPECT TO SAID SPACED ELECTRODE PLATES, AN IMPROVED SUPPORT ARRANGEMENT FOR SAID IONIZING ELECTRODE MEMBERS COMPRISING: (A) A PAIR OF SPACED SUPPORT MEMBERS EXTENDING TRANSVERSE SAID ELECTRODE PLATES IN INSULATED RELATIONSHIP THEREWITH; (B) SPACED SLOT MEANS IN EACH OF SAID SUPPORT MEMBERS, SAID SLOT MEANS EXTENDING PARALLEL TO SAID IONIZING ELECTRODE MEMBERS;
Claim 2
Dependent Claim
88 words
IN A PLATE ELECTRODE ASSEMBLY FOR AN ELECTROSTATIC PRECIPITATOR INCLUDING AN IONIZER ZONE AND A COLLECTOR ZONE, SAID IONIZER ZONE HAVING SPACED ELECTRODE PLATES EXTENDING THEREIN AND HAVING SPACED DISCHARGE IONIZING ELECTRODE MEMBERS DISPOSED ALTERNATELY WITH RESPECT TO SAID SPACED ELECTRODE PLATES, AN IMPROVED SUPPORT ARRANGEMENT FOR SAID IONIZING ELECTRODE MEMBERS COMPRISING: (A) A PAIR OF SPACED SUPPORT MEMBERS EXTENDING TRANSVERSE SAID ELECTRODE PLATES IN INSULATED RELATIONSHIP THEREWITH; (B) SPACED SLOT MEANS IN EACH OF SAID SUPPORT MEMBERS, SAID SLOT MEANS EXTENDING PARALLEL TO SAID IONIZING ELECTRODE MEMBERS;
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |