Patent US2019746A successfully refreshed from Google Patents.
US2019746A
Expired / Lapsed
US
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Muffler
Assignee: Continental Motors Corp
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Filing: 1930-12-08
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Granted: 1935-11-05
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Expires: 1950-12-08
Abstract
No abstract record available.
Inventors
- 👤 John W Tatter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:00
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1838; F01N13/1844; F01N13/185; F01N1/00; F01N1/08; F01N1/083; F01N13/1888; F01N13/1894; F01N2310/00; F01N2310/04; F01N2450/00; F01N2450/20; F01N2490/00; F01N2490/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-11-04 | 1939-05-06 | 1939-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-04 | 1943-05-06 | 1943-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-04 | 1947-05-06 | 1947-11-05 | $7700.00 | Window Closed / Lapsed |