Patent US2674554A successfully refreshed from Google Patents.
US2674554A
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Soldering flux
Assignee: Individual
•
Filing: 1951-12-20
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Granted: 1954-04-06
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Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 Chester A Snell
- 👤 Jacob M Fain
- 👤 Rosa John A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:42
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A SOLDERING FLUX CONSISTING ESSENTIALLY OF ABOUT 9% BY WEIGHT OF CETYL TRIMETHYL AMMONIUM BROMIDE, 2-3% BY WEIGHT OF ALUMINUM STEARATE, 39-40% BY WEIGHT OF A CYCLIC HYDROCARBON SOLVENT SELECTED FROM THE GROUP CONSISTING OF XYLENE, TETRAHYDRO-NAPHTHALENE AND TURPENTINE AND THE REMAINDER, A RESIN SELECTED FROM THE GROUP CONSISTING OF ROSIN-ABIAETIC ACID, PARTIALLY POLYMERIZED ROSINS, AND HYDROGENATED ROSINS.
Claim 2
Dependent Claim
58 words
A SOLDERING FLUX CONSISTING ESSENTIALLY OF ABOUT 9% BY WEIGHT OF CETYL TRIMETHYL AMMONIUM BROMIDE, 2-3% BY WEIGHT OF ALUMINUM STEARATE, 39-40% BY WEIGHT OF A CYCLIC HYDROCARBON SOLVENT SELECTED FROM THE GROUP CONSISTING OF XYLENE, TETRAHYDRO-NAPHTHALENE AND TURPENTINE AND THE REMAINDER, A RESIN SELECTED FROM THE GROUP CONSISTING OF ROSIN-ABIAETIC ACID, PARTIALLY POLYMERIZED ROSINS, AND HYDROGENATED ROSINS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |