US3589952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slurry for brazing metal surfaces
Assignee: Olin Corp
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Filing: 1968-07-05
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Granted: 1971-06-29
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Expires: 1988-07-05
Abstract
Abstract AN IMPROVED METHOD FOR BRAZING CUPROUS OR FERROUS SURFACES UTILIZING AN ADMIXTURE OF BRAZING POWDER AND CERTAIN HYDROXY-CONTAINING ORGANIC COMPOUNDS. THE ORGANIC COMPOUNDS PROVIDE AN EFFECTIVE MEDIUM FOR ADHERING THE BRAZING POWDER TO A METALLIC SURFACE AND ENABLE THE PREPARATION OF A CONVENIENT, EASY TO USE, BRAZING SLURRY.
Inventors
- 👤 Frederick A Burne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:35
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612; B23K35/3613
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |