US2733168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tin-zinc base alloys
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:12
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; B23K35/262; C; C22; C22C; C22C13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
AN ALLOY CONSISTING OF FROM ABOUT 5% TO 30% ZINC, FROM ABOUT 1% TO 5% ALUMINUM, FROM ABOUT .005% TO .20% BERYLLIUM, AND THE REMAINDER TIN.
Claim 2
Dependent Claim
26 words
AN ALLOY CONSISTING OF FROM ABOUT 5% TO 30% ZINC, FROM ABOUT 1% TO 5% ALUMINUM, FROM ABOUT .005% TO .20% BERYLLIUM, AND THE REMAINDER TIN.
References Cited (Backward Citations)
US2467780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |