US2801196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering flux composition and method of joining aluminum therewith
Assignee: Olin Corp
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Filing: 1953-04-14
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Granted: 1957-07-30
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Expires: 1973-04-14
Abstract
No abstract record available.
Inventors
- 👤 Richard L Doerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612; B23K35/3615; B23K35/3601; B23K35/3603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A SOLDERING FLUX COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 10 TO 9O WEIGHT PERCENT OF STANNOUS CHLORIDE AND ABOUT 10 TO 90 WEIGHT PERCENT OF A PHRAZOLINE HYDROHALIDE IN WHICH THE PYRAZOLINE IS SELECTED FROM THE GROUP CONSITING OF PYRAZOLINE AND PYRAZOLINES SUBSTITUTED WITH AAT LEAST ONE SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL SUBSTITUENTS CONTAINING NOT MORE THAN4 CARBON ATOMS AND PHENYL SUBSTITUENTS.
Claim 2
Dependent Claim
65 words
A SOLDERING FLUX COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 10 TO 9O WEIGHT PERCENT OF STANNOUS CHLORIDE AND ABOUT 10 TO 90 WEIGHT PERCENT OF A PHRAZOLINE HYDROHALIDE IN WHICH THE PYRAZOLINE IS SELECTED FROM THE GROUP CONSITING OF PYRAZOLINE AND PYRAZOLINES SUBSTITUTED WITH AAT LEAST ONE SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL SUBSTITUENTS CONTAINING NOT MORE THAN4 CARBON ATOMS AND PHENYL SUBSTITUENTS.
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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |