US2880079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust gas purifying apparatus
Assignee: Holley Performance Products Inc
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Filing: 1956-06-11
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Granted: 1959-03-31
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Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 George W Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:52
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/30; F01N3/306; B; B01; B01D; B01D45/00; B01D45/04; B01D45/08; F01N3/18; F01N3/20; F01N3/206; F01N3/22; F01N3/28; F01N3/2803; F01N3/2839; F01N3/2846; F01N3/2882; F01N3/2889; F01N3/34; F01N5/00; F01N5/02; F01N2240/00; F01N2240/02; F01N2250/00; F01N2250/04; F01N2260/00; F01N2260/04; F01N2290/00; F01N2290/02; F01N2290/04; F01N2330/00; F01N2330/08; F01N2450/00; F01N2450/04; F01N2510/00; F01N2510/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30; Y10S60/00; Y10S60/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1179145A
Cited
US2004865A
Cited
GB411655A
Cited
US1985713A
Cited
US2038313A
Cited
US2747976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |