US2855295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cobalt base hard surfacing alloy
Assignee: General Electric Co
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Filing: 1956-12-26
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Granted: 1958-10-07
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Expires: 1976-12-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Grant Hansel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:06
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3046; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/067
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A METAL ALLOY CAPABLE OF BEILNG DRAWN IN CONTINUOUS WIRE LENGTHS COMPRISING, BY WEIGHT, FROM 27 TO 30 PERCENT CHROMIUM, A MINIMUM OF 56 PERCENT COBALT, FROM 3 TO 6 PERCENT TUNGSTEN, FROM 2 TO 4 PERCENT NICKEL, FROM 0.03 TO 0.2 PERCENT MANGANESE AND FROM 0.25 TO 0.40 PERCENT CARBON.
References Cited (Backward Citations)
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US2036496A
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GB454881A
Cited
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Cited
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Cited
GB602244A
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US2486576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |