US2857321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of soldering to aluminum or other material having surface-oxide film
Assignee: Raytheon Co
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Filing: 1957-03-15
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Granted: 1958-10-21
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Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 John R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:25
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/08; H; H10; H10P; H10P14/00; H10P14/40; H10P14/46; H10P14/47; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T29/53; Y10T29/53539; Y10T29/53543
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF MAKING A SOLDER CONNECTION TO A MATERIAL HAVING A TENACIOUS SURFACE-OXIDE FILM, SAID METHOD COMPRISING IMMERSING SAID MATERIAL IN A HEATED LIQUID ELECTROLYTE IN THE PRESENCE OF A SOLDER, PLACING A BODY TO BE CONNECTED TO SAID MATERIAL ADJACENT SAID MATERIAL, PASSING CURRENT THROUGH SAID ELECTROLYTE, AND CAUSING MOLTEN SOLDER TO COME INTO CONTACT WITH SAID BODY AND SAID MATERIAL.
Claim 2
Independent Claim
63 words
THE METHOD OF MAKING A SOLDER CONNECTION TO A MATERIAL HAVING A TENACIOUS SURFACE-OXIDE FILM, SAID METHOD COMPRISING IMMERSING SAID MATERIAL IN A HEATED LIQUID ELECTROLYTE IN THE PRESENCE OF A SOLDER, PLACING A BODY TO BE CONNECTED TO SAID MATERIAL ADJACENT SAID MATERIAL, PASSING CURRENT THROUGH SAID ELECTROLYTE, AND CAUSING MOLTEN SOLDER TO COME INTO CONTACT WITH SAID BODY AND SAID MATERIAL.
References Cited (Backward Citations)
GB241058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |