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Patent US2644880A successfully refreshed from Google Patents.
US2644880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric grill
Assignee: Techag A G
•
Filing: 1950-05-13
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Granted: 1953-07-07
•
Expires: 1970-05-13
Abstract
No abstract record available.
Inventors
- 👤 Valentini Aldo
- 👤 Oertli Traugott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:31
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1480084A
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US1656662A
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US1859004A
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US1790194A
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US1966411A
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US2033067A
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US2313968A
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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) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |