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US1615995A
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Electric arc for melting and pulverizing metals
Assignee: ELECTROIUIMICA DE FLIX Soc
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Filing: 1924-01-24
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Granted: 1927-02-01
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Expires: 1944-01-24
Abstract
No abstract record available.
Inventors
- 👤 Muller Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:17
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/16; B05B7/22; B05B7/222; B05B7/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-01-31 | 1930-08-02 | 1931-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-31 | 1934-08-02 | 1935-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-31 | 1938-08-02 | 1939-02-01 | $7700.00 | Window Closed / Lapsed |