Patent US3723191A successfully refreshed from Google Patents.
US3723191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering flux composition
Assignee: US Philips Corp
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Filing: 1971-03-09
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Granted: 1973-03-27
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Expires: 1991-03-09
Abstract
Abstract A SOLUTION OF SORBITOL IN A WATER-ALCOHOL MIXTURE FOR USE IN A FOAM FLUXING DEVICE. THE SOLUTION COMPRISES ACTIVATORS. REMAINDERS OF THE FLUX MAY BE WASHED OFF WITH WATER AND ARE NOT CORROSIVE.
Inventors
- 👤 J Bos
- 👤 J Duyve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:33
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |