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US2965370A
Expired / Lapsed
US
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Oxygen lance with bent tip
Assignee: Steel Company of Wales Ltd
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Filing: 1956-05-14
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Granted: 1960-12-20
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Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Kesterton Arthur John
- 👤 Williams Alan Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:59
CPC Classifications
F; F27; F27B; F27B3/00; F27B3/10; F27B3/22; C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4606; F27D; F27D3/00; F27D3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2068641A
Cited
US2333654A
Cited
GB642084A
Cited
US2446511A
Cited
GB623881A
Cited
US2515631A
Cited
US2612366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |