Patent US2686355A successfully refreshed from Google Patents.
US2686355A
Expired / Lapsed
US
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Process for coating metals with aluminum
Assignee: Individual
•
Filing: 1952-01-19
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Granted: 1954-08-17
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Expires: 1972-01-19
Abstract
No abstract record available.
Inventors
- 👤 Lundin Helen Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/12; Y; Y10; Y10S; Y10S72/00; Y10S72/70; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF FORMING A CONTINUOUS TIGHTLY ADHERENT COATING OF ALUMINUM ON A BASE METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, CHRONIUM, NICKEL, IRON, AND ALLOYS THEREOF, WHICH COMPRIDES THROUGHLY CLEANING THE SURFACE OF SAID BASE METAL, THEN APPLYING TO SUCH CLEANED SURFACE AN EFFECTIVE AMOUNT OF A FLUX SELECTED FROM THE GROUP CONSISTING OF FLUORIDE COMPOUNDS OF ZICRONIUM AND FLUORIDE COMPOUNDS OF TITANIUM, AND THEN CONTACTING SUCH SURFACE OF THE BASE METAL WITH MOLTEN ALUMINUM.
Claim 2
Independent Claim
77 words
THE METHOD OF FORMING A CONTINUOUS TIGHTLY ADHERENT COATING OF ALUMINUM ON A BASE METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, CHRONIUM, NICKEL, IRON, AND ALLOYS THEREOF, WHICH COMPRIDES THROUGHLY CLEANING THE SURFACE OF SAID BASE METAL, THEN APPLYING TO SUCH CLEANED SURFACE AN EFFECTIVE AMOUNT OF A FLUX SELECTED FROM THE GROUP CONSISTING OF FLUORIDE COMPOUNDS OF ZICRONIUM AND FLUORIDE COMPOUNDS OF TITANIUM, AND THEN CONTACTING SUCH SURFACE OF THE BASE METAL WITH MOLTEN ALUMINUM.
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) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |