US659456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler for engines.
Assignee: OXFORD Manufacturing CO
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Filing: 1900-02-02
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Granted: 1900-10-09
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Expires: 1920-02-02
Abstract
No abstract record available.
Inventors
- 👤 James M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:36
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/08; F16; F16K; F16K15/00; F16K15/14; F16K15/141; F16K15/142; Y; Y10; Y10S; Y10S251/00; Y10S251/902; Y10S55/00; Y10S55/23; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/8593; Y10T137/86493; Y10T137/86718
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) | 1903-10-09 | 1904-04-09 | 1904-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-10-09 | 1908-04-09 | 1908-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-10-09 | 1912-04-09 | 1912-10-09 | $7700.00 | Window Closed / Lapsed |