US3055089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous metal product and processes
Assignee: Union Carbide Corp
•
Filing: 1958-08-06
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Granted: 1962-09-25
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Expires: 1978-08-06
Abstract
No abstract record available.
Inventors
- 👤 Folsom E Drummond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:32
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/04; C; C23; C23C; C23C16/00; C23C16/02; C23C16/0227; C23C16/06; C23C16/44; C23C16/54; C23C16/545; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12472; Y10T428/12493; Y10T428/12681; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12861; Y10T428/12937
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
130 words
A METHOD OF PRODUCING METAL ARTICLES HAVING A LAYER OF METAL INTERLOCKED WITH THE SURFACE OF THE ARTICLE BY THE DEPOSITION OF METAL FROM HEAT-DECOMPOSABLE METAL COMPOUNDS WHEREIN THE ARTICLE TO BE PLATED IS PRETREATED TO CLEAN AND DEAREATED AND MOVED ALONG THROUGH A PLATING CHAMBER CONTAIING A HEAT-DECOMPOSABLE GASEOUS METAL COMPOUND, AND WHEREIN THE TEMPERATURE WITHIN THE PLATING CHAMBER IS SUFFICIENT TO CAUSE DECOMPOSITION OF THE HEAT-DECOMPOSABLE METAL COMPOUND AND PLATING OUT OF THE METAL ONTO THE ARTICLE, THE IMPROVEMENT WHICH CONSISTS IN THE STEP OF SUBJECTING THE CLEANED METAL ARTICLE TO BE PLATED TO A PRE-HEATED AND VACUUM TREATMENT TO DEAERATE THE PORES OF THE SURFACE OF THE ARTICLE TO REMOVE OCCLUDED GASES, AND IMMEDIATELY THEREAFTER SUBJECTING THE SAME TO GASEOUS METAL PLATING, AND CIRCULATING SAID GASEOUS METAL
Claim 2
Independent Claim
130 words
A METHOD OF PRODUCING METAL ARTICLES HAVING A LAYER OF METAL INTERLOCKED WITH THE SURFACE OF THE ARTICLE BY THE DEPOSITION OF METAL FROM HEAT-DECOMPOSABLE METAL COMPOUNDS WHEREIN THE ARTICLE TO BE PLATED IS PRETREATED TO CLEAN AND DEAREATED AND MOVED ALONG THROUGH A PLATING CHAMBER CONTAIING A HEAT-DECOMPOSABLE GASEOUS METAL COMPOUND, AND WHEREIN THE TEMPERATURE WITHIN THE PLATING CHAMBER IS SUFFICIENT TO CAUSE DECOMPOSITION OF THE HEAT-DECOMPOSABLE METAL COMPOUND AND PLATING OUT OF THE METAL ONTO THE ARTICLE, THE IMPROVEMENT WHICH CONSISTS IN THE STEP OF SUBJECTING THE CLEANED METAL ARTICLE TO BE PLATED TO A PRE-HEATED AND VACUUM TREATMENT TO DEAERATE THE PORES OF THE SURFACE OF THE ARTICLE TO REMOVE OCCLUDED GASES, AND IMMEDIATELY THEREAFTER SUBJECTING THE SAME TO GASEOUS METAL PLATING, AND CIRCULATING SAID GASEOUS METAL
Claim 3
Dependent Claim
24 words
A PRODUCT MADE IN ACCORDANCE WITH THE METHOD OF CLAIM 1, WHEREBY THE BASE METAL IS STEEL AND THE OUTER METAL LAYER IS COBALT.
References Cited (Backward Citations)
CA570161A
Cited
US2344138A
Cited
US2432657A
Cited
US2656284A
Cited
US2654946A
Cited
US2602033A
Cited
US2665224A
Cited
US2685124A
Cited
GB758924A
Cited
US2783164A
Cited
US2793423A
Cited
US2887984A
Cited
US2881514A
Cited
US2815299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |