Patent US2746735A successfully refreshed from Google Patents.
US2746735A
Expired / Lapsed
US
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Material mixing burner for processing furnaces
Assignee: Combined Metals Reduction Co
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Filing: 1951-10-04
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Granted: 1956-05-22
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Expires: 1971-10-04
Abstract
No abstract record available.
Inventors
- 👤 James H Bradford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:01
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/02; C04B20/04; C04B20/06; C01; C01B; C01B17/00; C01B17/48; C01B17/50; C01B17/52; C22; C22B; C22B1/00; C22B1/02; C22B1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2520637A
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US2621034A
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US2619776A
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US2563002A
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US2612263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |