US3264146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic flux compositions and method of using same
Assignee: Continental Can Co Inc
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Filing: 1965-09-10
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Granted: 1966-08-02
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Expires: 1985-09-10
Abstract
No abstract record available.
Inventors
- 👤 Burton S Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:38
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN A METHOD OF SOLDERING METAL, THE STEP WHICH COMPRISES APPLYING THREON AN EFFECTIVE AMOUNT OF A SOLDERING FLUX SELECTED FROM THE GROUP CONSISTING OF THE SATURATED ALIPHATIC POLYCARBOXYLIC ACIDS AND THEIR ANHYDRIDES HAVING 9 TO 10 CARBON ATOMS WITH AT LEAST 4 CARBON ATOMS BETWEEN THE CARBOXYL GROUPS, TRIMELLITIC ACID AND THE ANYDRIDES AND ESTERS THEREOF, AND THE HYDROXYBENZOPHENONES.
Claim 2
Dependent Claim
60 words
IN A METHOD OF SOLDERING METAL, THE STEP WHICH COMPRISES APPLYING THREON AN EFFECTIVE AMOUNT OF A SOLDERING FLUX SELECTED FROM THE GROUP CONSISTING OF THE SATURATED ALIPHATIC POLYCARBOXYLIC ACIDS AND THEIR ANHYDRIDES HAVING 9 TO 10 CARBON ATOMS WITH AT LEAST 4 CARBON ATOMS BETWEEN THE CARBOXYL GROUPS, TRIMELLITIC ACID AND THE ANYDRIDES AND ESTERS THEREOF, AND THE HYDROXYBENZOPHENONES.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |