Patent US3109511A successfully refreshed from Google Patents.
US3109511A
Expired / Lapsed
US
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Muffler liner
Assignee: Owens Corning
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Filing: 1960-06-07
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Granted: 1963-11-05
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Expires: 1980-06-07
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
2026-11-02 13:39
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; C; C23; C23D; C23D5/00; C23D5/10; F01N1/00; F01N1/003; F01N1/006; F01N1/02; F01N1/023; F01N13/14; F01N13/1888; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/26; F01N2260/00; F01N2260/18; F01N2310/00; F01N2310/02; F01N2310/06; F01N2450/00; F01N2450/06; F01N2450/22; F01N2450/24; F01N2450/28; F01N2470/00; F01N2470/02; F01N2470/24; F01N2470/28; F01N2490/00; F01N2490/15; F01N2490/155; F01N2510/00; F01N2510/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A LINED MUFFLING SYSTEM COMPONENT COMPRISING A CASING FORMING AN ELONGATE CHAMBER HAVING AN INLET OPENING AND AN OUTLET OPENING, AND AN INTEGRAL, SELF-SUSTAINING
Claim 2
Dependent Claim
24 words
A LINED MUFFLING SYSTEM COMPONENT COMPRISING A CASING FORMING AN ELONGATE CHAMBER HAVING AN INLET OPENING AND AN OUTLET OPENING, AND AN INTEGRAL, SELF-SUSTAINING
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |