Patent FR2116818A6 successfully refreshed from Google Patents.
Patent US2634119A successfully refreshed from Google Patents.
US2634119A
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Burning lime and like co-yielding materials
Assignee: Basic Refractories Inc
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Filing: 1947-11-13
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Granted: 1953-04-07
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Expires: 1967-11-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Ruiz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:46
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US152A
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US1836526A
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US2037809A
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US2080981A
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US2168312A
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US2469989A
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US2529366A
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US2528098A
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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) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |