US3708282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of sintered metal products
Assignee: Huntington Alloys Corp
•
Filing: 1970-09-01
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Granted: 1973-01-02
•
Expires: 1990-09-01
Abstract
Abstract PROCESS FOR PRODUCTION OF SINTERED METAL PRODUCTS CONTAINING NICKEL AND CARBON COMPRISES COMPACTING AND SINTERING SPECIAL POWDER MIXTURE CONTAINING NICKEL-COATED GRAPHITE PARTICLES.
Inventors
- 👤 D Burr
- 👤 W Betteridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:14
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/02; C22C33/0257; C22C33/0207; C22C33/0228
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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |