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Patent US2875091A successfully refreshed from Google Patents.
US2875091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of soldering
Assignee: Motors Liquidation Co
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Filing: 1956-11-13
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Granted: 1959-02-24
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Expires: 1976-11-13
Abstract
No abstract record available.
Inventors
- 👤 Wolfe John Sohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:07
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A SOLDERING BATH FOR SOLDERING METALS SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS, COMPRISING MOLTEN LOW MELTING POINT SOLDER HAVING SUPERIMPOSED THEREOVER A LIQUID COVER LAYER HAVING A BOILING POINT GREATER THAN THE MELTING POINT OF SAID SOLDER,SAID COVER LAYER COMPRISING A SOLUTION INCLUDING AN ALKALI METAL ZINCATE, AN ALKALI METAL HYDROXIDE, DISSOLVED IN A
Claim 2
Dependent Claim
58 words
A SOLDERING BATH FOR SOLDERING METALS SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS, COMPRISING MOLTEN LOW MELTING POINT SOLDER HAVING SUPERIMPOSED THEREOVER A LIQUID COVER LAYER HAVING A BOILING POINT GREATER THAN THE MELTING POINT OF SAID SOLDER,SAID COVER LAYER COMPRISING A SOLUTION INCLUDING AN ALKALI METAL ZINCATE, AN ALKALI METAL HYDROXIDE, DISSOLVED IN A
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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |