US2969452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated apparatus
Assignee: West Bend Co
•
Filing: 1957-07-12
•
Granted: 1961-01-24
•
Expires: 1977-07-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Geller
- 👤 William G Laabs
- 👤 Ralph N Kircher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:18
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/002; A47J27/004; A47J36/00; A47J36/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1493459A
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GB319391A
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US2236837A
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US2279000A
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US2430715A
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US2523332A
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GB638519A
Cited
US2641581A
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US2708436A
Cited
US2653117A
Cited
US2702334A
Cited
US2730608A
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US2834736A
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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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |