US2715084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified rosin soldering flux
Assignee: NL Industries Inc
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Filing: 1952-02-07
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Granted: 1955-08-09
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Expires: 1972-02-07
Abstract
No abstract record available.
Inventors
- 👤 Konig Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:50
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612; B23K35/3613
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A SOLDERING FLUX CONSISTING ESSENTIALLY OF AN INITIMATE MIXTURE OF ROSIN AND A SMALL PORTION FROM 0.1% TO 5.0% BY WEIGHT OF ROSIN OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF CHAIN BROMINATED, ALIPHATIC CARBOXYLIC ACIDS, HAVING FROM 8 TO 24 CARBON ATOMS IN THE CHAIN, AND AMMONIUM AND ALKALI METAL SALTS OF SAID ACIDS.
Claim 2
Dependent Claim
57 words
A SOLDERING FLUX CONSISTING ESSENTIALLY OF AN INITIMATE MIXTURE OF ROSIN AND A SMALL PORTION FROM 0.1% TO 5.0% BY WEIGHT OF ROSIN OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF CHAIN BROMINATED, ALIPHATIC CARBOXYLIC ACIDS, HAVING FROM 8 TO 24 CARBON ATOMS IN THE CHAIN, AND AMMONIUM AND ALKALI METAL SALTS OF SAID ACIDS.
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) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |