Patent US3236045A successfully refreshed from Google Patents.
US3236045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion gas discharge system
Assignee: Individual
•
Filing: 1964-02-28
•
Granted: 1966-02-22
•
Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 Michel C Berger
- 👤 Jacques G Languillaume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:05
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/30; F01N3/02; F01N3/037; F01N3/05; F01N3/34; F01N2240/00; F01N2240/06; F01N2270/00; F01N2270/02; F01N2290/00; F01N2290/02; F01N2290/04; F01N2290/08; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30; Y10S60/00; Y10S60/902
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A SYSTEM FOR DISCHARGING GASEOUS COMBUSTION PRODUCTS FROM A FUEL-BURNING APPARATUS COMPRISING COAXIALLY DISPOSED OUTER AND INNER CONDUITS HAVING CONICALLY CONVERGING DOWNSTREAM END SECTIONS DISCHRGING TO ATMOSPHERE AND DEFINING AN AXIAL INNER FLOWPATH AND AN ANNULAR OUTER FLOWPATH, SAID OUTER CONDUIT HAVING A DOWNSTREAM END CONVERGING AT A LARGER CONE ANGLE THAN THAT OF SAID INNER CONDUIT, RADIAL CONDUIT MEANS CONNECTING THE UPSTREAM END OF SAID AXIAL INNER FLOWPATH WITH ATMOSPHERE, A SEPARATING CHAMBER CONNECTED BETWEEN
References Cited (Backward Citations)
US877431A
Cited
GB206118A
Cited
US1668872A
Cited
US1583621A
Cited
US1680537A
Cited
GB285390A
Cited
US1716481A
Cited
US2065681A
Cited
FR796818A
Cited
US2725950A
Cited
US2803309A
Cited
US2795103A
Cited
US3056467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |