Patent US1152381A successfully refreshed from Google Patents.
US1152381A
Expired / Lapsed
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Muffler for explosion-engines.
Assignee: EMARON J EATON
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Filing: 1914-01-19
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Granted: 1915-08-31
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Expires: 1934-01-19
Abstract
No abstract record available.
Inventors
- 👤 Charles H Kenney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:03
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/04; Y; Y10; Y10S; Y10S55/00; Y10S55/30; Y10S60/00; Y10S60/902
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) | 1918-08-30 | 1919-03-01 | 1919-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-30 | 1923-03-01 | 1923-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-30 | 1927-03-01 | 1927-08-31 | $7700.00 | Window Closed / Lapsed |