US2554233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing alloys
Assignee: Westinghouse Electric Corp
•
Filing: 1948-10-20
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Granted: 1951-05-22
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Expires: 1968-10-20
Abstract
No abstract record available.
Inventors
- 👤 Richard E Ballentine
- 👤 Robert L Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:31
CPC Classifications
C; C22; C22C; C22C9/00; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
18 words
A BRAZING ALLOY COMPOSED OF 4.5% TO 7.5% PHOSPHORUS, FROM 0.01% TO 0.3% BERYLLIUM, AND THE BALANCE COPPER.
References Cited (Backward Citations)
US1652107A
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US1829903A
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US1988422A
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US1966260A
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US2125680A
Cited
US2136212A
Cited
US2196304A
Cited
US2390775A
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US2408342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |