US2911298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base brazing alloy
Assignee: Alstom Power Inc
•
Filing: 1958-02-11
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Granted: 1959-11-03
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Expires: 1978-02-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Woolard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:58
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
THE COPPER BASE BRAZING ALLOY CONSISTING OF FROM ABOUT 70% TO 90% COPPER,; 9% TO 72% NICKEL, AND FROM 1% TO 3% PHOSPHORUS.
Claim 2
Dependent Claim
23 words
THE COPPER BASE BRAZING ALLOY CONSISTING OF FROM ABOUT 70% TO 90% COPPER,; 9% TO 72% NICKEL, AND FROM 1% TO 3% PHOSPHORUS.
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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |