US2752476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broiler unit for electric cooking ranges
Assignee: TAPPAN STOVE Co
•
Filing: 1951-05-23
•
Granted: 1956-06-26
•
Expires: 1971-05-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:20
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511790A
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US1118454A
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GB279924A
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AU2010129A
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GB351569A
Cited
US2442900A
Cited
US2300837A
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US2408295A
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US2508357A
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US2617008A
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US2581343A
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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) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |