Patent US2656005A successfully refreshed from Google Patents.
US2656005A
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Retroverted passage type muffler with resonator chambers
Assignee: HAYES IND
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Filing: 1949-04-21
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Granted: 1953-10-20
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Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Beecher B Cary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:34
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N1/00; F01N1/02; F01N1/08; F01N1/084; F01N2450/00; F01N2450/20; F01N2470/00; F01N2470/02; F01N2470/10; F01N2490/00; F01N2490/02; F01N2490/06; F01N2490/15; F01N2490/155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2018084A
Cited
US2022899A
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US2109220A
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US2194550A
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US2182945A
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US2235705A
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US2357791A
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US2337300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |