US2897106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture resistant brazing rod
Assignee: Union Carbide Corp
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Filing: 1955-07-19
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Granted: 1959-07-28
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Expires: 1975-07-19
Abstract
No abstract record available.
Inventors
- 👤 Jr William G Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:12
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A BRAZING FLUX COATING COMPOSITION FOR A BRAZING ROD EXHIBITING HIGH STABILITY UNDER CHANGING HUMIDITY CONDITIONS, THE COMPOSITION CONSISTING OF 16% TO 20% POWDERED SODIUM TETRABORATE PENTAHYDRATE, 56% TO 60% BORIC ACID, AND 20% BINDER MATERIAL, SAID BINDER MATERIAL BEING SO DISPOSED AS TO SUBSTANTIALLY COAT ALL THE PARTICLES OF SODIUM TETRABORATE PENTAHYDRATE TO PREVENT PREMATURE CHEMICAL REACTION BETWEEN SAID SODIUM TETRABORATE PENTAHYDRATE AND SAID BORIC ACID IN THE PRESENCE OF MOISTURE PRIOR TO REACHING FUSION TEMPERATURES.
Claim 2
Dependent Claim
77 words
A BRAZING FLUX COATING COMPOSITION FOR A BRAZING ROD EXHIBITING HIGH STABILITY UNDER CHANGING HUMIDITY CONDITIONS, THE COMPOSITION CONSISTING OF 16% TO 20% POWDERED SODIUM TETRABORATE PENTAHYDRATE, 56% TO 60% BORIC ACID, AND 20% BINDER MATERIAL, SAID BINDER MATERIAL BEING SO DISPOSED AS TO SUBSTANTIALLY COAT ALL THE PARTICLES OF SODIUM TETRABORATE PENTAHYDRATE TO PREVENT PREMATURE CHEMICAL REACTION BETWEEN SAID SODIUM TETRABORATE PENTAHYDRATE AND SAID BORIC ACID IN THE PRESENCE OF MOISTURE PRIOR TO REACHING FUSION TEMPERATURES.
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) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |