US2581343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical cooking apparatus
Assignee: Individual
•
Filing: 1948-07-13
•
Granted: 1952-01-08
•
Expires: 1968-07-13
Abstract
No abstract record available.
Inventors
- 👤 Ames Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/01; A47J37/015; F; F24; F24C; F24C7/00; F24C7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2090122A
Cited
US2135318A
Cited
US2342692A
Cited
US2397478A
Cited
CH227323A
Cited
US2448956A
Cited
US2486862A
Cited
US2496654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |