Patent US2685124A successfully refreshed from Google Patents.
US2685124A
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Method for hi-vac alloying and coated product
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1951-04-30
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Granted: 1954-08-03
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Expires: 1971-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:42
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/02; C23C16/06; C23C16/16; C23C16/4401; C23C16/4402; C23C16/4412; C23C16/455; Y; Y10; Y10S; Y10S29/00; Y10S29/044; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12472; Y10T428/12493; Y10T428/12771; Y10T428/12778; Y10T428/12993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
THE METHOD OF DEPOSITING ELEMENTARY METALS IN THE SOLID STATE UPON OTHER BASE METALS FROM A HEAT-DECOMPOSABLE METAL CARBONYL COMPOUND AND BONDING THE SAME THERETO WHICH COMPRISES, SUBJECTING THE BASE METAL TO A VACUUM ATMOSPHERE OF BETWEEN 18" AND 23" OF MERCURY, ELEVATING THE TEMPERATURE OF THE BASE METAL TO BETWEEN ABOUT 350* F. AND 400*F., THEREAFTER SUBJECTING THE BASE METAL WHILE AT SAID ELEVATED TEMPERATURE AND UNDER SAID VACUUM ATMOSPHERIC CONDITIONS TO GASEOUS METAL CARBONYL WHICH IS DECOMPOSABLE AT THE TEMPERATURE OF SAID BASE METAL, AND GASEOUS METAL CARBONYL BEING DELIVERED UNDER PRESSURE OF FROM 10 LBS. TO 15 LBS. PER SQUARE INCH WHEREBY SAID CARBONYL IS CAUSED TO DECOMPOSE AND DEPOSIT ELEMENTARY METAL ON THE BASE METAL.
Claim 2
Dependent Claim
36 words
AS A NEW ARTICLE OF MANUFACTURE, A METAL PRODUCT HAVING A SURFACE WITH MINUTE IRREGULARITIES, AND A DEPOSIT OF AN ELEMENTARY METAL ON THE SAID SURFACE OBTAINED ACCORDING TO THE METHOD SET FORTH IN CLAIM 7.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |