US2598592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater for electric toasters
Assignee: CAMFIELD Manufacturing Co
•
Filing: 1949-12-02
•
Granted: 1952-05-27
•
Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
- 👤 Henry L Olson
- 👤 William F Hale
- 👤 Robert A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:48
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US533795A
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US1480084A
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US1561309A
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US1967209A
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US1900249A
Cited
US1878968A
Cited
US1948739A
Cited
US2316699A
Cited
US2493542A
Cited
US2548511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |