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Patent US2590334A successfully refreshed from Google Patents.
US2590334A
Expired / Lapsed
US
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Combined heating element and thermomotive device for cooking devices or toasters
Assignee: Sunbeam Corp
•
Filing: 1948-02-27
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Granted: 1952-03-25
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Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 Morris W Loomer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:32
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0814
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |