US3233697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler internally coated with highly refractory fibers
Assignee: Owens Corning
•
Filing: 1963-05-06
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Granted: 1966-02-08
•
Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
- 👤 Robert G Russell
- 👤 Willard L Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944; C; C23; C23C; C23C24/00; F01N1/00; F01N1/003; F01N1/006; F01N1/02; F01N1/023; F01N1/04; F01N13/14; F01N13/1888; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/26; F01N3/28; F01N3/2803; F01N3/2835; F01N3/2882; F01N3/2885; F01N3/30; F01N3/32; F01N2230/00; F01N2230/04; F01N2240/00; F01N2240/20; F01N2310/00; F01N2310/02; F01N2310/06; F01N2330/00; F01N2330/10; F01N2450/00; F01N2450/06; F01N2450/22; F01N2450/24; F01N2450/28; F01N2470/00; F01N2470/24; F01N2470/28; F01N2490/00; F01N2490/15; F01N2490/155; F01N2510/00; F01N2510/08; F01N2530/00; F01N2530/26; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A MUFFLING SYSTEM COMPONENT COMPRISING A CASING FORMING AN ELONGATE CHAMBER HAVING AN INLET OPENING AND AN OUTLET OPENING, AND AN INTEGRAL COATING WITHIN SAID CHAMBER FORMING A PASSAGE FOR EXHAUST GASES BETWEEN SAID INLET OPENING AND SAID OUTLET OPENING, SAID COATING BEING INTERPOSED BETWEEN SAID PASSAGE AND SAID CASING WITH THE INNER SURFACE OF SAID COATING BEING SUBSTANTIALLY UNOBSTRUCTED FOR CONTACT WITH EXHAUST GASES FLOWING THROUGH SAID COMPONENT, SAID COATING COMPRISING HIGHLY REFRACTORY, INORGANIC, CRYSTALLINE FIBERS SELECTED FROM THE GROUP CONSISTING OF TITANIA, ZIRCONIA, AND ZICRON, AND AN INORGANIC BINDER.
Claim 2
Dependent Claim
91 words
A MUFFLING SYSTEM COMPONENT COMPRISING A CASING FORMING AN ELONGATE CHAMBER HAVING AN INLET OPENING AND AN OUTLET OPENING, AND AN INTEGRAL COATING WITHIN SAID CHAMBER FORMING A PASSAGE FOR EXHAUST GASES BETWEEN SAID INLET OPENING AND SAID OUTLET OPENING, SAID COATING BEING INTERPOSED BETWEEN SAID PASSAGE AND SAID CASING WITH THE INNER SURFACE OF SAID COATING BEING SUBSTANTIALLY UNOBSTRUCTED FOR CONTACT WITH EXHAUST GASES FLOWING THROUGH SAID COMPONENT, SAID COATING COMPRISING HIGHLY REFRACTORY, INORGANIC, CRYSTALLINE FIBERS SELECTED FROM THE GROUP CONSISTING OF TITANIA, ZIRCONIA, AND ZICRON, AND AN INORGANIC BINDER.
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |