US2757084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy compositions
Assignee: Coast Metals Inc
•
Filing: 1955-05-20
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Granted: 1956-07-31
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Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Cape
- 👤 Charles V Foerster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:05
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/007
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
AN ALLOY COMPOSITION WHICH IS ESPECIALLY ADAPTED FOR HARD FACING, SAID COMPOSITION CONSISTING OF ABOUT 35% COBALT, ABOUT 3,5% BORON, ABOUT 36.5% NICKEL, ABOUT 5% SILICON, AND ABOUT 20% IRON.
References Cited (Backward Citations)
US1493191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |