Patent US2497753A successfully refreshed from Google Patents.
US2497753A
Expired / Lapsed
US
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Electrical cooking and like appliances
Assignee: J E SHAY Ltd
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Filing: 1947-08-05
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Granted: 1950-02-14
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Expires: 1967-08-05
Abstract
No abstract record available.
Inventors
- 👤 Arnot Alfred Erwin Reginald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:59
CPC Classifications
D; D06; D06F; D06F79/00; D06F79/04; H; H05; H05B; H05B3/00; H05B3/68; H05B3/685; H05B6/00; H05B6/02; H05B6/10; H05B6/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |