US2750874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocked controls for cooking apparatus
Assignee: McGraw Electric Co
•
Filing: 1952-05-31
•
Granted: 1956-06-19
•
Expires: 1972-05-31
Abstract
No abstract record available.
Inventors
- 👤 Ireland Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:06
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)
USRE21336E
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US988265A
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US1370111A
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US2194859A
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US2303561A
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US2288699A
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US2288713A
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US2276989A
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US2336640A
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US2515866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |