US2541085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburizing bath
Assignee: Wyeth Holdings LLC
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Filing: 1948-09-14
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Granted: 1951-02-13
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Expires: 1968-09-14
Abstract
No abstract record available.
Inventors
- 👤 Facundo R Morral
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:06
CPC Classifications
C; C23; C23C; C23C8/00; C23C8/40; C23C8/42; C23C8/44; C23C8/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A MIXTURE ADAPTED UPON FUSION FOR THE CARBURIZING OF FERROUS METAL ARTICLES WHICH CONSISTS ESSENTIALLY OF ALKALI METAL CHLORIDE 25-45 PARTS, CYANOGEN COMPOUND ABOUT 17-25 PARTS, ALKALI METAL CARBONATE 25-35 PARTS, HYDROUS ALKALI SILICATE PROVIDING 3-8 PARTS OF CONTAINED SILICA, AND CARBON .1-3 PARTS, THE PARTS BEING BY WEIGHT.
Claim 2
Dependent Claim
49 words
A MIXTURE ADAPTED UPON FUSION FOR THE CARBURIZING OF FERROUS METAL ARTICLES WHICH CONSISTS ESSENTIALLY OF ALKALI METAL CHLORIDE 25-45 PARTS, CYANOGEN COMPOUND ABOUT 17-25 PARTS, ALKALI METAL CARBONATE 25-35 PARTS, HYDROUS ALKALI SILICATE PROVIDING 3-8 PARTS OF CONTAINED SILICA, AND CARBON .1-3 PARTS, THE PARTS BEING BY WEIGHT.
References Cited (Backward Citations)
US2063079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |