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US2585791A
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High-temperature electric resistance oven
Assignee: COMPTOIR DES CENDRES ET METAUX
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Filing: 1947-06-03
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Granted: 1952-02-12
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Expires: 1967-06-03
Abstract
No abstract record available.
Inventors
- 👤 Klein Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:39
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/62; H05B3/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1551766A
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US1568848A
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US1637167A
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US2121141A
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US2253981A
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US2397445A
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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) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |