Patent US2780219A successfully refreshed from Google Patents.
US2780219A
Expired / Lapsed
US
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Closure mechanism for oven doors
Assignee: TAPPAN STOVE Co
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Filing: 1953-05-18
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Granted: 1957-02-05
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Earl S Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:50
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/023; E; E05; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/404; E05Y2201/416; E05Y2900/00; E05Y2900/30; E05Y2900/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324781A
Cited
US843007A
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US1205835A
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US1196580A
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US1484009A
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US1979210A
Cited
US2313582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |