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Patent US2650555A successfully refreshed from Google Patents.
US2650555A
Expired / Lapsed
US
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Baffle member for combustion chambers
Assignee: VAPE O PLATE CO
•
Filing: 1950-08-14
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Granted: 1953-09-01
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Expires: 1970-08-14
Abstract
No abstract record available.
Inventors
- 👤 William R Howland
- 👤 Ivan D Tefft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:49
CPC Classifications
F; F23; F23M; F23M9/00; F23M9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1240679A
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US1725974A
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US2149182A
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US2192752A
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US2186374A
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US2286688A
Cited
US2548421A
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US2548312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |