US3748191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering fluxes
Assignee: Fernox Ltd
•
Filing: 1972-01-06
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Granted: 1973-07-24
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Expires: 1992-01-06
Abstract
Abstract A METHOD OF SOLDERING OR TINNING IN WHICH THE FLUX USED CONSISTS OF OR CONTAINS A HYDROHALIDE, OTHER THAN A HYDROIODIDE, OF A MONOBASIC AMINO ACID OR OF AN ESTER OF SUCH ACID WITH AN ALCOHOL CONTAINING 1 TO 10 CARBON ATOMS.
Inventors
- 👤 R Strauss
- 👤 P Teitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:06
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612; B23K35/3615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |