US2834657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic muffler
Assignee: Oxy Catalyst Inc
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Filing: 1954-03-08
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Granted: 1958-05-13
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Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Houdry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:24
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/30; F01N3/34; F01N3/28; F01N3/2839; F01N3/2846; F01N2260/00; F01N2260/10; F01N2330/00; F01N2330/08; F01N2450/00; F01N2450/04; F01N2450/24; F01N2450/30; F01N2510/00; F01N2510/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
CATALYST APPARATUS SUITABLE FOR ATTACHMENT TO THE EXHAUST OUTLET OF AN INTERNAL COMBUSTION ENGINE FOR OXIDIZING TOXIC AND OBNOXIOUS COMPONENTS OF THE EXHAUST GASES THEREFROM COMPRISING A HOUSING, A RIGID BEAM EXTENDING LONGITUDINALLY WITHIN SAID HOUSING IN THE CENTRAL PORTION THEREOF, SAID BEAM BEING ARRANGED HORIZONTALLY WITH RESPECT TO ITS LENGTH AND VERTICALLY WITH RESPECT TO ITS WIDTH, A PAIR OF HORIZONTALLY ARRANGED VERTICALLY SPACED-APART FORAMINOUS TRAYS RIGIDLY FASTENED TO SAID CENTRALLY LOCATED BEAM IN PARALLEL RELATIONSHIP ALONG THE LENGTH THEREOF, SAID TRAYS EXTENDING LATERALLY FROM SAID BEAM IN BOTH DIRECTIONS TO THE WALLS OF SAID HOUSING AND DEFINING BETWEEN THEM A SPACE FOR RECEIVING A LAYER OF CATALYST PELLETS, THE BEAM AND TRAY ASSEMBLY BEING CARRIED BY SAID HOUSING BY MEANS PERMITTING LIMITED SLIDING MOTION BETWEEN SAID ASSEMBLY AND SAID HOUSING WHEREBY SAID ASSEMBLY IS FREE TO EXPAND AND CONTRACT THERMALLY INDEPENDENTLY OF SAID HOUSING.
Claim 2
Dependent Claim
146 words
CATALYST APPARATUS SUITABLE FOR ATTACHMENT TO THE EXHAUST OUTLET OF AN INTERNAL COMBUSTION ENGINE FOR OXIDIZING TOXIC AND OBNOXIOUS COMPONENTS OF THE EXHAUST GASES THEREFROM COMPRISING A HOUSING, A RIGID BEAM EXTENDING LONGITUDINALLY WITHIN SAID HOUSING IN THE CENTRAL PORTION THEREOF, SAID BEAM BEING ARRANGED HORIZONTALLY WITH RESPECT TO ITS LENGTH AND VERTICALLY WITH RESPECT TO ITS WIDTH, A PAIR OF HORIZONTALLY ARRANGED VERTICALLY SPACED-APART FORAMINOUS TRAYS RIGIDLY FASTENED TO SAID CENTRALLY LOCATED BEAM IN PARALLEL RELATIONSHIP ALONG THE LENGTH THEREOF, SAID TRAYS EXTENDING LATERALLY FROM SAID BEAM IN BOTH DIRECTIONS TO THE WALLS OF SAID HOUSING AND DEFINING BETWEEN THEM A SPACE FOR RECEIVING A LAYER OF CATALYST PELLETS, THE BEAM AND TRAY ASSEMBLY BEING CARRIED BY SAID HOUSING BY MEANS PERMITTING LIMITED SLIDING MOTION BETWEEN SAID ASSEMBLY AND SAID HOUSING WHEREBY SAID ASSEMBLY IS FREE TO EXPAND AND CONTRACT THERMALLY INDEPENDENTLY OF SAID HOUSING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |