US2848524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc melting apparatus
Assignee: Titanium Metals Corp
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Filing: 1956-10-15
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Granted: 1958-08-19
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Expires: 1976-10-15
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mclaughlin
- 👤 Joseph L Mangin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:06
CPC Classifications
F; F27; F27D; F27D11/00; F27D11/08; C; C21; C21C; C21C5/00; C21C5/52; C22; C22B; C22B4/00; H; H05; H05B; H05B7/00; H05B7/18; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |