US2944889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum bronze alloy containing chromium and having improved wear resistance
Assignee: Individual
•
Filing: 1957-11-20
•
Granted: 1960-07-12
•
Expires: 1977-11-20
Abstract
No abstract record available.
Inventors
- 👤 John F Klement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:45
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
AN ALUMINUIM BRONZE ALLOY CONSISTING ESSENTIALLY OF 13.0% TO 20.0% ALUMINUIM, FROM 1.0% TO 8.0% IRON, FROM 0.5% TO 3.0% CHROMUIM AND THE BALANCE BEING SUBSTANTAILLY COPPER, SAID ALLOY BEING CHARACTERIZED BY HAVING EXCELLENT CORROSION RESISTANCE AND HAVING IMPROVED TOUGHNESS AND WEAR RESISTANCE.
Claim 2
Dependent Claim
43 words
AN ALUMINUIM BRONZE ALLOY CONSISTING ESSENTIALLY OF 13.0% TO 20.0% ALUMINUIM, FROM 1.0% TO 8.0% IRON, FROM 0.5% TO 3.0% CHROMUIM AND THE BALANCE BEING SUBSTANTAILLY COPPER, SAID ALLOY BEING CHARACTERIZED BY HAVING EXCELLENT CORROSION RESISTANCE AND HAVING IMPROVED TOUGHNESS AND WEAR RESISTANCE.
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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |