US2508501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering flux
Assignee: Individual
•
Filing: 1947-10-06
•
Granted: 1950-05-23
•
Expires: 1967-10-06
Abstract
No abstract record available.
Inventors
- 👤 Giulio Armand Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:34
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A SOLDERING AND FLUXING MIXTURE COMPOSED OF ZINC CHLORIDE, A WETTING AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM LAURYL SULPHATE AND SODIUM ALKYL ARYL SULPHONATE, WATER WHEREIN SAID SALTS ARE IN SOLUTION AND POWDERED SOLDER HELD BY SAID SOLUTION IN STABLE SUSPENSION.
Claim 2
Dependent Claim
43 words
A SOLDERING AND FLUXING MIXTURE COMPOSED OF ZINC CHLORIDE, A WETTING AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM LAURYL SULPHATE AND SODIUM ALKYL ARYL SULPHONATE, WATER WHEREIN SAID SALTS ARE IN SOLUTION AND POWDERED SOLDER HELD BY SAID SOLUTION IN STABLE SUSPENSION.
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) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |