US3728106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrought copper-nickel alloy
Assignee: Huntington Alloys Corp
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Filing: 1969-11-13
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Granted: 1973-04-17
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Expires: 1989-11-13
Abstract
Abstract WROUGHT COPPER-NICKEL ALLOYS CONTAINING SPECIAL AMOUNTS OF CHROMIUN EXHIBIT IMPROVED RESISTANCE TO THE IMPINGEMENT EROSION EFFECTS OF HIGH VELOCITY SEAWATER. SMALL AMOUNT OF IRON ALSO IMPROVE "PARTING" CORROSION CHARACTERISTICS OF ALLOYS OF LOWER NICKEL CONTENT.
Inventors
- 👤 F Badia
- 👤 D Anderson
- 👤 G Kirby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:31
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/06
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |