US2826512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating and resulting product
Assignee: JACK F GOVAN
•
Filing: 1953-08-14
•
Granted: 1958-03-11
•
Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 Carl A M Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:03
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/02; C23; C23D; C23D5/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/937; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12042; Y10T428/12063; Y10T428/12139; Y10T428/12493; Y10T428/12736; Y10T428/12771; Y10T428/12778; Y10T428/249921; Y10T428/249953; Y10T428/249955; Y10T428/249956; Y10T428/249957; Y10T428/249961; Y10T428/249967; Y10T428/24997; Y10T428/249987; Y10T428/24999
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROTECTIVELY COATED METAL ARTICLE OBTAINED BY DENSIFYING A POROUS METAL ARTICLE HAVING A COATING THEREON, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF IRON, CHRONIUM, NICKEL, COPPER, ALUMINUM, SILVER, TIN, ZINC, MOLYBDENUM, TUNGSTEN, MAGNESIUM, TITANIUM, AND STAINLESS STEEL, THE COATING CONSISTING OF A DRIED VITREOUS COATING COMPOSITION CONSISTING OF A MIXTURE OF ONE PART OF POWDERED CERAMIC MATERIAL AND TWO PARTS OF POWDERED CHROMIUM, SAID CERAMIC MATERIAL BEING A MIXTURE OF POWDERED GLASS, CLAY AND OXIDES, SAID DENSIFYING BEING ACCOMPLISHED BY HOT FORGING THE COATED ARTICLE WHILE THE TEMPERATURE THEREOF IS MAINTAINED AT APPROXIMATELY THE NORMAL FORGING TEMPERATURE OF SAID BASE METAL.
Claim 2
Dependent Claim
104 words
A PROTECTIVELY COATED METAL ARTICLE OBTAINED BY DENSIFYING A POROUS METAL ARTICLE HAVING A COATING THEREON, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF IRON, CHRONIUM, NICKEL, COPPER, ALUMINUM, SILVER, TIN, ZINC, MOLYBDENUM, TUNGSTEN, MAGNESIUM, TITANIUM, AND STAINLESS STEEL, THE COATING CONSISTING OF A DRIED VITREOUS COATING COMPOSITION CONSISTING OF A MIXTURE OF ONE PART OF POWDERED CERAMIC MATERIAL AND TWO PARTS OF POWDERED CHROMIUM, SAID CERAMIC MATERIAL BEING A MIXTURE OF POWDERED GLASS, CLAY AND OXIDES, SAID DENSIFYING BEING ACCOMPLISHED BY HOT FORGING THE COATED ARTICLE WHILE THE TEMPERATURE THEREOF IS MAINTAINED AT APPROXIMATELY THE NORMAL FORGING TEMPERATURE OF SAID BASE METAL.
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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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |