Patent US2533633A successfully refreshed from Google Patents.
US2533633A
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US
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Granulated slag and method for producing it
Assignee: Individual
•
Filing: 1946-04-01
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Granted: 1950-12-12
•
Expires: 1966-04-01
Abstract
No abstract record available.
Inventors
- 👤 Charles W Schott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:58
CPC Classifications
C; C21; C21B; C21B3/00; C21B3/04; C21B3/06; C21B3/08; C21B2400/00; C21B2400/02; C21B2400/022; C21B2400/024; C21B2400/05; C21B2400/062; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249971; Y10T428/249974; Y10T428/29; Y10T428/2982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB143500A
Cited
US1699575A
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US2059230A
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US2023511A
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US1950932A
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US2255236A
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US2215223A
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US2255237A
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US2255238A
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US2417301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |