US3551137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flux for electroslag consumable remelting of nickel base super alloys and certain iron base alloys
Assignee: Electro-Slag Institute
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Filing: 1968-01-10
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Granted: 1970-12-29
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Expires: 1988-01-10
Abstract
No abstract record available.
Inventors
- 👤 Gopal Krishna Bhat
- 👤 Joseph B Tobias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:49
CPC Classifications
C; C22; C22B; C22B9/00; C22B9/16; C22B9/18; B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3602; B23K35/3603; B23K35/3605; B23K35/361
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |