Patent US2565443A successfully refreshed from Google Patents.
US2565443A
Expired / Lapsed
US
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Electric hot plate
Assignee: HOTPOINT Inc
•
Filing: 1947-11-04
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Granted: 1951-08-21
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Expires: 1967-11-04
Abstract
No abstract record available.
Inventors
- 👤 Oliver G Vogel
- 👤 Francis E Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:03
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/68; H05B3/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1036612A
Cited
GB469792A
Cited
US2271977A
Cited
US2413477A
Cited
US2413478A
Cited
US2357150A
Cited
US2414667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |