US3175932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flux composition
Assignee: Airco Inc
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Filing: 1963-03-25
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Granted: 1965-03-30
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Brady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:52
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A FLUX COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 22% BY WEIGHT OF POTASSIUM FLUOROBORATE, ABOUT 24% BY WEIGHT OF POTASSIUM TETRA-BORATE, ABOUT 12% BY WEIGHT OF POTASSIUM BI-FLUORIDE, ABOUT 20% BY WEIGHT OF BORIC ACID, ABOUT 0.2% TO ABOUT 3% BY WEIGHT OF A POLYETHYLENE GLYCOL OF AN AVERAGE MOLECULAR WEIGHT OF ABOUT 600 TO AND ABOUT 16% TO ABOUT 25% BY WEIGHT OF WATER.
Claim 2
Dependent Claim
64 words
A FLUX COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 22% BY WEIGHT OF POTASSIUM FLUOROBORATE, ABOUT 24% BY WEIGHT OF POTASSIUM TETRA-BORATE, ABOUT 12% BY WEIGHT OF POTASSIUM BI-FLUORIDE, ABOUT 20% BY WEIGHT OF BORIC ACID, ABOUT 0.2% TO ABOUT 3% BY WEIGHT OF A POLYETHYLENE GLYCOL OF AN AVERAGE MOLECULAR WEIGHT OF ABOUT 600 TO AND ABOUT 16% TO ABOUT 25% BY WEIGHT OF WATER.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |