Patent US2622583A successfully refreshed from Google Patents.
US2622583A
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Ventilating and cooling means for cooking ranges
Assignee: TAPPAN STOVE Co
•
Filing: 1950-12-11
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Granted: 1952-12-23
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Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Earl S Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:16
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1963281A
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US1954580A
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US2158881A
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US2237795A
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US2438035A
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US2485359A
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US2526890A
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US2512521A
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US2540924A
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US2525614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |