Patent US3393347A successfully refreshed from Google Patents.
Patent US3199189A successfully refreshed from Google Patents.
US3199189A
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US
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Gold alloy cladding
Assignee: Alloys Unlimited Inc
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Filing: 1962-03-29
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Granted: 1965-08-10
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Plante Jerry C La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:56
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; C; C22; C22C; C22C1/00; C22C1/08; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/16; C23F1/30; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12889
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE PROCESS OF CLADDING GOLD ALLOYS OF THE GROUP INCLUDING GOLD GERMANIUM, AND GOLD SILICON ON A METAL SUBSTRATE COMPRISING THE STEPS OF; CLADDING THE SUBSTRATE ON ONE SIDE WITH GOLD FOIL, LEACHING THE GOLD ALLOY FOR A PERIOD OF SIX HOURS IN HYDROFLUORIC ACID TO PROVIDE A POROUS GOLD RICH SURFACE LAYER THEREON, PLACING THE LEACHED GOLD ALLOY IN CONTACT WITH SAID GOLD CLAD ON SAID SUBSTRATE, AND HOT ROLLING SAID GOLD ALLOY AND SAID SUBSTRATE TOGETHER AT A TEMPERATURE BELOW THE MELTING TEMPERATURE OF THE ALLOY.
Claim 2
Dependent Claim
88 words
THE PROCESS OF CLADDING GOLD ALLOYS OF THE GROUP INCLUDING GOLD GERMANIUM, AND GOLD SILICON ON A METAL SUBSTRATE COMPRISING THE STEPS OF; CLADDING THE SUBSTRATE ON ONE SIDE WITH GOLD FOIL, LEACHING THE GOLD ALLOY FOR A PERIOD OF SIX HOURS IN HYDROFLUORIC ACID TO PROVIDE A POROUS GOLD RICH SURFACE LAYER THEREON, PLACING THE LEACHED GOLD ALLOY IN CONTACT WITH SAID GOLD CLAD ON SAID SUBSTRATE, AND HOT ROLLING SAID GOLD ALLOY AND SAID SUBSTRATE TOGETHER AT A TEMPERATURE BELOW THE MELTING TEMPERATURE OF THE ALLOY.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |