Patent US2959466A successfully refreshed from Google Patents.
US3597285A
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Flux for use in soldering of stainless steels
Assignee: Lake Chemical Co
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Filing: 1969-05-02
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Granted: 1971-08-03
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Expires: 1989-05-02
Abstract
Abstract FLUXES FOR USE IN SOLDERING STAINLESS STEELS COMPRISING COMPOSITIONS CONTAINING A MAJOR PROPORTION OF ORTHOPHOSPHORIC ACID AND A MINOR PROPORTION OF (A) FINELY DIVIDED METALLIC COPPER, OR (B) A COPPER SALT, SUCHS AS COPPER PHOSPHATE, WHICH IS SOLUBLE IN ORTHOPHOSPHORIC ACID, ADVANTAGEOUSLY IN ADMIXTURE WITH VARIOUS SUPPLEMENTAL MATERIALS.
Inventors
- 👤 Lester Aronberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:56
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; B23K35/36; B23K35/3601; B23K35/3611
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |