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Patent US2553226A successfully refreshed from Google Patents.
US2553226A
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Soldering flux compositions
Assignee: Individual
•
Filing: 1945-05-04
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Granted: 1951-05-15
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Expires: 1965-05-04
Abstract
No abstract record available.
Inventors
- 👤 Harold R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:57
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
18 words
A SOLDERING FLUX CONSISTING OF GUM ROSIN, ALUMINUM STEARATE, AND A SOLVENT FOR THE GUM ROSIN AND STEARATE.
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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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |