US3485620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra hard cobalt-molybdenum-iron alloys
Assignee: Huntington Alloys Corp
•
Filing: 1966-09-07
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Granted: 1969-12-23
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Expires: 1986-09-07
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Bieber
- 👤 John R Mihalisin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:34
CPC Classifications
C; C22; C22C; C22C30/00; C22C19/00; C22C19/07; C22C38/00; C22C38/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB387322A
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US2099509A
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US2383969A
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US2871552A
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GB697740A
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GB749993A
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US2848323A
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US2932568A
Cited
US3012879A
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US3113862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |