Patent EP0070034A1 successfully refreshed from Google Patents.
US3139360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inspectable soldering flux composition
Assignee: Individual
•
Filing: 1960-12-28
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Granted: 1964-06-30
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Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Voida George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:33
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN INSPECTABLE SOLDERING FLUX COMPOSITION CONSISTING ESSENTIALLY OF FROM 25 TO 40% BY WEIGHT OF FLUXING AGENT, 60 TO 70 BY WEIGHT OF SOLVENT, AND 0.1 TO 0.5% BY WEIGHT OF AN ULTRAVIOLET ABSORBING MATERIAL SELECTED FROM THE GROUP CONSISTING OF 2-NAPHTHYLAMINE SULFONIC ACID, 3AMINONAPHTHYLAMIDE, AND 3-NAPHTHOXANTHENE DERIVATIVE OF 2,8-DIMETHYLCEROXENE OXIDE.
Claim 2
Dependent Claim
51 words
AN INSPECTABLE SOLDERING FLUX COMPOSITION CONSISTING ESSENTIALLY OF FROM 25 TO 40% BY WEIGHT OF FLUXING AGENT, 60 TO 70 BY WEIGHT OF SOLVENT, AND 0.1 TO 0.5% BY WEIGHT OF AN ULTRAVIOLET ABSORBING MATERIAL SELECTED FROM THE GROUP CONSISTING OF 2-NAPHTHYLAMINE SULFONIC ACID, 3AMINONAPHTHYLAMIDE, AND 3-NAPHTHOXANTHENE DERIVATIVE OF 2,8-DIMETHYLCEROXENE OXIDE.
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Cited
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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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |