Patent US2420188A successfully refreshed from Google Patents.
US2420188A
Expired / Lapsed
US
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Automatic electric toaster
Assignee: McGraw Electric Co
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Filing: 1945-01-06
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Granted: 1947-05-06
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Expires: 1965-01-06
Abstract
No abstract record available.
Inventors
- 👤 Bror G Olving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:18
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0814; A47J37/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061011A
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US2317228A
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US2207871A
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US2215404A
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US2182124A
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US2331025A
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US2364998A
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US2361446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |