US3347217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust gas purifier device
Assignee: Individual
•
Filing: 1966-10-20
•
Granted: 1967-10-17
•
Expires: 1986-10-20
Abstract
No abstract record available.
Inventors
- 👤 Giorgio Rocco F Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:04
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/024; F01; F01N; F01N3/00; F01N3/08; F02M26/00; F02M26/13; F02M26/17; F02M26/35; F02M31/00; F02M31/02; F02M31/04; F02M31/06; F02M31/08; F02M35/04; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
FOR USE ON AN INTERNAL COMBUSTION ENGINE INCLUDING A CARBURETOR, AN EXHAUST SYSTEM, A CLOSED FILTER HOUSING HAVING A HOLE TO BE CONNECTED OVER THE MOUTH OF THE CARBURETOR, SAID HOUSING INCLUDING A ROOF, FLOOR, AND UPSTANDING CONNECTING WALL WITH A MAIN INLET THROAT, AND AN ANNULAR FILTER RING IN THE HOUSING BETWEEN THE FLOOR AND ROOF AND DISPOSED AROUND THE HOLE TO FILTER AIR PASSING THROUGH THE CARBURETOR, THE IMPROVEMENT COMPRISING; A PURIFIER DEVICE FOR EXHAUST GASES WHICH INCLUDES, A JACKET SYSTEM IN THE HOUSING IN SPACED RELATION FORM AND PARALLEL TO THE RING LENGTH AND HAVING SPACED INLET AND OUTLET OPENINGS, AND TUBING TO CONNECT EACH OF THE OPENINGS TO SPACED POINTS IN THE EXHAUST SYSTEM OF THE INTERNAL COMBUSTION ENGINE TO FLOW EXHAUST GASES THROUGH THE HOUSING WITHIN THE JACKET TO HEAT THE AIR PASSING THROUGH THE HOUSING, SPACED OPENINGS IN THE JACKET SYSTEM TO METER A PORTION OF THE EXHAUST GASES FLOWING IN THE JACKET INTO THE HOUSING TO BE RECYCLED THROUGH THE CARBURETOR, SAID JACKET SYSTEM INCLUDING A CLOSED TUBULAR LENGTH SPANNED BY A LONGITUDINALLY EXTENDING SEPTURM TO SEPARATE THE JACKET INTO
Claim 2
Dependent Claim
187 words
FOR USE ON AN INTERNAL COMBUSTION ENGINE INCLUDING A CARBURETOR, AN EXHAUST SYSTEM, A CLOSED FILTER HOUSING HAVING A HOLE TO BE CONNECTED OVER THE MOUTH OF THE CARBURETOR, SAID HOUSING INCLUDING A ROOF, FLOOR, AND UPSTANDING CONNECTING WALL WITH A MAIN INLET THROAT, AND AN ANNULAR FILTER RING IN THE HOUSING BETWEEN THE FLOOR AND ROOF AND DISPOSED AROUND THE HOLE TO FILTER AIR PASSING THROUGH THE CARBURETOR, THE IMPROVEMENT COMPRISING; A PURIFIER DEVICE FOR EXHAUST GASES WHICH INCLUDES, A JACKET SYSTEM IN THE HOUSING IN SPACED RELATION FORM AND PARALLEL TO THE RING LENGTH AND HAVING SPACED INLET AND OUTLET OPENINGS, AND TUBING TO CONNECT EACH OF THE OPENINGS TO SPACED POINTS IN THE EXHAUST SYSTEM OF THE INTERNAL COMBUSTION ENGINE TO FLOW EXHAUST GASES THROUGH THE HOUSING WITHIN THE JACKET TO HEAT THE AIR PASSING THROUGH THE HOUSING, SPACED OPENINGS IN THE JACKET SYSTEM TO METER A PORTION OF THE EXHAUST GASES FLOWING IN THE JACKET INTO THE HOUSING TO BE RECYCLED THROUGH THE CARBURETOR, SAID JACKET SYSTEM INCLUDING A CLOSED TUBULAR LENGTH SPANNED BY A LONGITUDINALLY EXTENDING SEPTURM TO SEPARATE THE JACKET INTO
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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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |