US1049979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric furnace member and process of making it.
Assignee: Electro Metallurgical Co USA
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Filing: 1911-10-12
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Granted: 1913-01-07
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Expires: 1931-10-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Becket
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:00
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; D; D01; D01F; D01F11/00; D01F11/10; D01F11/14; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2918; Y10T428/2933; Y10T428/294; Y10T428/2958
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) | 1916-01-07 | 1916-07-08 | 1917-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-01-07 | 1920-07-08 | 1921-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-01-07 | 1924-07-08 | 1925-01-07 | $7700.00 | Window Closed / Lapsed |