US3549353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for melting reactive materials
Assignee: International Standard Electric Corp
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Filing: 1966-12-22
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Granted: 1970-12-22
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Henley Frank Sterling
- 👤 Wilbert Ridd George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:59
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; C; C22; C22B; C22B4/00; C22B9/00; C22B9/02; C22B9/10; C22B9/103; C30; C30B; C30B15/00; C30B15/10; C30B35/00; C30B35/002; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y02P10/25; Y10; Y10S; Y10S117/00; Y10S117/90; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1032; Y10T117/1036; Y10T117/1044; Y10T117/1068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1904665A
Cited
US1922029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |