Patent US2600262A successfully refreshed from Google Patents.
US2600262A
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Spark arrester mechanism
Assignee: Walker Manufacturing Company of Wisconsin
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Filing: 1951-03-19
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Granted: 1952-06-10
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Expires: 1971-03-19
Abstract
No abstract record available.
Inventors
- 👤 Walter H Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:31
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/037; F01N2470/00; F01N2470/02; F01N2470/04; F01N2470/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1084290A
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US1514441A
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US1881051A
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US2125449A
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US2147015A
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US2182204A
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US2182945A
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US2138477A
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US2196920A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |