US2903353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing alloys
Assignee: Lithium Corp of America Inc
•
Filing: 1956-03-20
•
Granted: 1959-09-08
•
Expires: 1976-03-20
Abstract
No abstract record available.
Inventors
- 👤 Bredzs Nikolajs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:17
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/32; B23K35/322; B23K35/30; B23K35/302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A NEW AND IMPROVED SELF-FLUXING, AIR-PROOF BRAZING ALLOY CONTAINING FROM ABOUT 0.25% TO ABOUT 8% LITHIUM, FROM ABOUT 0.25% TO ABOUT 2.5% BORON, FROM ABOUT 5% TO ABOUT 50% NICKEL, FROM ABOUT 1% TO ABOUT 80% COPPER, AND THE BALANCE CONSISTING ESSENTIALLY OF PALLADIUM, THE PALLADIUM COMPRISING NOT LESS THAN ABOUT 14.5% OF SAID ALLOY.
Claim 2
Dependent Claim
55 words
A NEW AND IMPROVED SELF-FLUXING, AIR-PROOF BRAZING ALLOY CONTAINING FROM ABOUT 0.25% TO ABOUT 8% LITHIUM, FROM ABOUT 0.25% TO ABOUT 2.5% BORON, FROM ABOUT 5% TO ABOUT 50% NICKEL, FROM ABOUT 1% TO ABOUT 80% COPPER, AND THE BALANCE CONSISTING ESSENTIALLY OF PALLADIUM, THE PALLADIUM COMPRISING NOT LESS THAN ABOUT 14.5% OF SAID ALLOY.
References Cited (Backward Citations)
DE373725C
Cited
US2554233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |