Patent US2575413A successfully refreshed from Google Patents.
US2575413A
Expired / Lapsed
US
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Soldering flux
Assignee: JOSEPH J WHITE
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Filing: 1949-10-17
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Granted: 1951-11-20
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Expires: 1969-10-17
Abstract
No abstract record available.
Inventors
- 👤 Franklin William Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:53
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A SUBSTANTIALLY WATER-FREE, FLEXIBLE, NON-CORROSIVE, NON-HYGROSCOPIC FLUX FOR PRE-COATING SHEET OR RIBBON SOLDER, CONSISTING ESSENTIALLY OF THE PRODUCT FORMED BY MELTING TOGETHER A MIXTURE OF ABOUT 1 PART ROSIN, ABOUT 1 PART OF A HIGHER FATTY ACID, AND ABOUT 0.4 PART OF A WAX HAVING A MELTING POINT OF ABOUT 160* F. TO 200* F.
Claim 2
Dependent Claim
55 words
A SUBSTANTIALLY WATER-FREE, FLEXIBLE, NON-CORROSIVE, NON-HYGROSCOPIC FLUX FOR PRE-COATING SHEET OR RIBBON SOLDER, CONSISTING ESSENTIALLY OF THE PRODUCT FORMED BY MELTING TOGETHER A MIXTURE OF ABOUT 1 PART ROSIN, ABOUT 1 PART OF A HIGHER FATTY ACID, AND ABOUT 0.4 PART OF A WAX HAVING A MELTING POINT OF ABOUT 160* F. TO 200* F.
References Cited (Backward Citations)
US185339A
Cited
US845948A
Cited
GB190811605A
Cited
GB194729A
Cited
US1882567A
Cited
US2471451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |