Patent US2746140A successfully refreshed from Google Patents.
US2746140A
Expired / Lapsed
US
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Method of soldering to thin metallic films and to non-metallic substances
Assignee: Georgia Tech Research Institute
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Filing: 1951-07-09
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Granted: 1956-05-22
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Expires: 1971-07-09
Abstract
No abstract record available.
Inventors
- 👤 Richard B Belser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:22
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12681; Y10T428/12736
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF SOLDERING A METAL OBJECT TO A THIN METALLIC FILM BONDED TO A SUBSTRATE, COMPRISING FLOWING INDIUM RICH SOLDER DIRECTLY INTO CONTACT WITH THE FILM BY TE APPLICATION OF HEAT, SO AS TO PENETRATE THE FILM AND CONTACT THE SUBSTRATE AND THEN SOLIDIFYING THE SOLDER IN CONTACT WITH SAID METAL OBJECT, AND FILM AND SAID SUBSTRATE.
Claim 2
Independent Claim
58 words
THE METHOD OF SOLDERING A METAL OBJECT TO A THIN METALLIC FILM BONDED TO A SUBSTRATE, COMPRISING FLOWING INDIUM RICH SOLDER DIRECTLY INTO CONTACT WITH THE FILM BY TE APPLICATION OF HEAT, SO AS TO PENETRATE THE FILM AND CONTACT THE SUBSTRATE AND THEN SOLIDIFYING THE SOLDER IN CONTACT WITH SAID METAL OBJECT, AND FILM AND SAID SUBSTRATE.
References Cited (Backward Citations)
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US2438967A
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US2426650A
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US2430581A
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US2627110A
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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) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |