US3307920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for purifying exhaust gases
Assignee: Individual
•
Filing: 1962-07-10
•
Granted: 1967-03-07
•
Expires: 1982-07-10
Abstract
No abstract record available.
Inventors
- 👤 Llewellyn T Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:54
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2846; F01N3/02; F01N3/04; F01N3/30; F01N3/34; F01N2260/00; F01N2260/04; F01N2330/00; F01N2330/08; F01N2450/00; F01N2450/04; F01N2450/26; F01N2490/00; F01N2490/16; F01N2570/00; F01N2570/02; Y; Y02; Y02A; Y02A50/00; Y02A50/20; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A CATALYTIC DEGASSER COMPRISING A CHAMBER, A CATALYST CASING SURROUNDING SAID CHAMBER, EXHAUST GAS INLET AND OUTLET CONDUITS, MEANS DETACHABLY CONNECTING SAID CONDUITS TO SAID CASING, CATALYST PELLETS DISPOSED IN THE SPACE BETWEEN SAID CHAMBER AND SAID CASING SO THAT EXHAUST GAS FROM SAID INLET CONDUIT WILL PASS OVER SAID CATALYST PELLETS INTO SAID CHAMBER FOR OXIDATION REACTION, SAID CHAMBER BEING FORMED OF A PAIR OF PERFORATED CHAMBER SECTIONS, MEANS FOR HOLDING SAID CHAMBER SECTIONS IN ALIGNMENT, SAID CASING INCLUDING A PAIR OF ABUTTING RINGS PROVIDED WITH PERFORATED SCREENS, SAID RINGS HOLDING SAID CHAMBER SECTIONS IN POSITION, AND MEANS DETACHABLY HOLDING SAID RINGS IN CONTACT WITH EACH OTHER.
Claim 2
Dependent Claim
108 words
A CATALYTIC DEGASSER COMPRISING A CHAMBER, A CATALYST CASING SURROUNDING SAID CHAMBER, EXHAUST GAS INLET AND OUTLET CONDUITS, MEANS DETACHABLY CONNECTING SAID CONDUITS TO SAID CASING, CATALYST PELLETS DISPOSED IN THE SPACE BETWEEN SAID CHAMBER AND SAID CASING SO THAT EXHAUST GAS FROM SAID INLET CONDUIT WILL PASS OVER SAID CATALYST PELLETS INTO SAID CHAMBER FOR OXIDATION REACTION, SAID CHAMBER BEING FORMED OF A PAIR OF PERFORATED CHAMBER SECTIONS, MEANS FOR HOLDING SAID CHAMBER SECTIONS IN ALIGNMENT, SAID CASING INCLUDING A PAIR OF ABUTTING RINGS PROVIDED WITH PERFORATED SCREENS, SAID RINGS HOLDING SAID CHAMBER SECTIONS IN POSITION, AND MEANS DETACHABLY HOLDING SAID RINGS IN CONTACT WITH EACH OTHER.
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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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |