Patent US2608740A successfully refreshed from Google Patents.
US2608740A
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Continuous furnace
Assignee: Vibrantz Corp
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Filing: 1950-07-26
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Granted: 1952-09-02
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Expires: 1970-07-26
Abstract
No abstract record available.
Inventors
- 👤 Elmer W Dany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:50
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/26; F27B9/262; C; C23; C23D; C23D9/00; F27B9/02; F27B9/021; F27B9/022; F27B9/023; F27B9/06; F27B9/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590737A
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US985797A
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US1105729A
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US1140105A
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US1526582A
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US1663309A
Cited
US1713851A
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US1889928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |