US3173202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum cladding
Assignee: S W Farber Inc
•
Filing: 1961-08-10
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Granted: 1965-03-16
•
Expires: 1981-08-10
Abstract
No abstract record available.
Inventors
- 👤 Milton H Farber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:46
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/02; B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; B23K20/2333; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12764
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A METHOD FOR CLADDING SHEETS OF DIFFERENT METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND ITS ALLOYS, SILVER AND ITS ALLOYS, GOLD AND ITS ALLOYS, TITANIUM AND ITS ALLOYS, ZIRCONIUM AND ITS ALLOYS, NICKEL AND ITS ALLOYS, PLATINUM, PALLADIUM, COBALT, DUCTILE COBALT ALLOYS AND DUCTILE FERROUS ALLOYS WITH SHEETS OF AN ALUMINUM METAL WHICH COMPRISES SHAPING THE ALUMINUM COMPONENT TO A SIMILAR SHAPE OF THE SURFACE TO WHICH IT IS TO BE BONDED, CLEANING BOTH THE SURFACES OF THE ALUMINUM AND THE DIFFERENT METAL, FLAME-SPRAYING A LAYER OF ALUMINUM ONTO THE CLEAN SURFACE OF THE DIFFERENT METAL, PLACING THE ALUMINUM IN CONTACT WITH THE SPRAYED SURFACE OF THE DIFFERENT METAL AND HEATING THE COMPOSITE OF ALUMINUM SHEET AND DIFFERENT METAL TO ABOUT 550*F. BUT BELOW THE TEMPERATURE OF INCIPIENT FUSION OF THE ALUMINUM SHEET AND EXTERTING PRESSURE THEREON SUFFICIENT TO CAUSE LATERAL FLOW OF THE ALUMINUM COMPONENT AND A DECREASE IN THICKNESS OF THE ALUMINUM IN A RANGE OF FROM 1 TO 8%.
Claim 2
Independent Claim
164 words
A METHOD FOR CLADDING SHEETS OF DIFFERENT METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND ITS ALLOYS, SILVER AND ITS ALLOYS, GOLD AND ITS ALLOYS, TITANIUM AND ITS ALLOYS, ZIRCONIUM AND ITS ALLOYS, NICKEL AND ITS ALLOYS, PLATINUM, PALLADIUM, COBALT, DUCTILE COBALT ALLOYS AND DUCTILE FERROUS ALLOYS WITH SHEETS OF AN ALUMINUM METAL WHICH COMPRISES SHAPING THE ALUMINUM COMPONENT TO A SIMILAR SHAPE OF THE SURFACE TO WHICH IT IS TO BE BONDED, CLEANING BOTH THE SURFACES OF THE ALUMINUM AND THE DIFFERENT METAL, FLAME-SPRAYING A LAYER OF ALUMINUM ONTO THE CLEAN SURFACE OF THE DIFFERENT METAL, PLACING THE ALUMINUM IN CONTACT WITH THE SPRAYED SURFACE OF THE DIFFERENT METAL AND HEATING THE COMPOSITE OF ALUMINUM SHEET AND DIFFERENT METAL TO ABOUT 550*F. BUT BELOW THE TEMPERATURE OF INCIPIENT FUSION OF THE ALUMINUM SHEET AND EXTERTING PRESSURE THEREON SUFFICIENT TO CAUSE LATERAL FLOW OF THE ALUMINUM COMPONENT AND A DECREASE IN THICKNESS OF THE ALUMINUM IN A RANGE OF FROM 1 TO 8%.
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |