Patent US2916409A successfully refreshed from Google Patents.
US2916409A
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Process and apparatus for the treatment of ferrous articles
Assignee: Elektrophysikalische Anstalt Bernhard Berghaus
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Filing: 1956-11-23
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Granted: 1959-12-08
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Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Bucek Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:31
CPC Classifications
C; C22; C22B; C22B4/00; C23; C23C; C23C8/00; C23C8/06; C23C8/36; C23C8/38; F; F41; F41A; F41A21/00; F41A21/22; H; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32018; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S148/903; Y10S422/00; Y10S422/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
PROCESS FOR THE TREATMENT OF FERROUS ARTICLES FOR IMPROVING AT LEAST PART OF THE SURFACE THEREOF WITH ANOTHER SUBSTANCE, WHICH COMPRISES SUBJECTING THE SAID PART OF THE SURFACE TO BE IMPROVED TO AN IONIC BOMBARDMENT WITH SAID OTHER SUBSTANCE IN AN ELECTRIC GLOW DISCHARGE IN A GASEOUS ATMOSPHERE AND THEREBY DEPOSITING SAID SUBSTANCE ON SAID SURFACE AT A PREDETERMINED ELEVATED TEMPERATURE, WITHDRAWING HEAT FROM SAID SURFACE AT A PREDETERMINED RATE BY COOLING THE SAME AND SIMULTANEOUSLY INCREASING THE RATE AT WHICH ENERGY IS CONDUCTED BY THE IONIC BOMBARDMENT BY A CORRESPONDING AMOUNT SO AS TO MAINTAIN THE PREDETERMINED TEMPERATURE, WHEREBY AN INCREASED ENERGY CONVERSION IS CAUSED TO OCCUR AT SAID SURFACE, WITHOUT RISE OF THE SURFACE TEMPERATURE ABOVE THE PREDETERMINED TEMPERATURE.
Claim 2
Dependent Claim
121 words
PROCESS FOR THE TREATMENT OF FERROUS ARTICLES FOR IMPROVING AT LEAST PART OF THE SURFACE THEREOF WITH ANOTHER SUBSTANCE, WHICH COMPRISES SUBJECTING THE SAID PART OF THE SURFACE TO BE IMPROVED TO AN IONIC BOMBARDMENT WITH SAID OTHER SUBSTANCE IN AN ELECTRIC GLOW DISCHARGE IN A GASEOUS ATMOSPHERE AND THEREBY DEPOSITING SAID SUBSTANCE ON SAID SURFACE AT A PREDETERMINED ELEVATED TEMPERATURE, WITHDRAWING HEAT FROM SAID SURFACE AT A PREDETERMINED RATE BY COOLING THE SAME AND SIMULTANEOUSLY INCREASING THE RATE AT WHICH ENERGY IS CONDUCTED BY THE IONIC BOMBARDMENT BY A CORRESPONDING AMOUNT SO AS TO MAINTAIN THE PREDETERMINED TEMPERATURE, WHEREBY AN INCREASED ENERGY CONVERSION IS CAUSED TO OCCUR AT SAID SURFACE, WITHOUT RISE OF THE SURFACE TEMPERATURE ABOVE THE PREDETERMINED TEMPERATURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |