US3107748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic coated muffler and method of making it
Assignee: Meritor Inc
•
Filing: 1961-01-03
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Granted: 1963-10-22
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Placek
- 👤 Thomas A Danner
- 👤 James C Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:18
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1838; F01N13/1844; F01N13/185; F01N13/16; F01N2450/00; F01N2450/20; F01N2470/00; F01N2470/10; F01N2470/20; F01N2490/00; F01N2490/02; F01N2490/06; F01N2510/00; F01N2510/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49398
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A CERAMIC COATED MUFFLER, COMPRISING A UNITARY ELONGATED CONTINUOUS OUTER SHELL, A PAIR OF END PLATES CLOSING THE OPPOSED ENDS OF SAID SHELL AND SUPPORTING EXHAUST INLET AND OUTLET CONDUITS, A PLURALITY OF BAFFLE PLATES MOUNTED WITHIN THE SHELL AND DIVIDING THE SHELL INTERIOR
Claim 2
Dependent Claim
44 words
A CERAMIC COATED MUFFLER, COMPRISING A UNITARY ELONGATED CONTINUOUS OUTER SHELL, A PAIR OF END PLATES CLOSING THE OPPOSED ENDS OF SAID SHELL AND SUPPORTING EXHAUST INLET AND OUTLET CONDUITS, A PLURALITY OF BAFFLE PLATES MOUNTED WITHIN THE SHELL AND DIVIDING THE SHELL INTERIOR
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |