US2743176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy and method of manufacture thereof
Assignee: WANKESHA FOUNDRY Co
•
Filing: 1954-12-06
•
Granted: 1956-04-24
•
Expires: 1974-12-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Thomas
- 👤 Warren C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:36
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A NON-GALLING, CORROSION-RESISTANT ALLOY CONSISTING ESSENTIALLY OF A NICKEL-CHRONIUM BASE IN COMBINATION WITH BISMUTH, NICKEL BEING PRESENT IN THE APPROXIMATE RANGE OF 40-80% OF THE WHOLE ALLOY, CHRONIUM BEING PRESENT IN THE APPROXIMATELY RANGE OF 10-25% TO MAKE THE ALLOY CORROSION-RESISTANT, AND BISMUTH BEING PRESENT IN THE APPROXIMATE RANG OF 1-6% TO RENDER THE ALLOY NONGALLING, ANY REQUIRED BALANCE BEING SELECTED FROM THE GROUP CONSISTING OF NICKEL AND IRON.
Claim 2
Dependent Claim
69 words
A NON-GALLING, CORROSION-RESISTANT ALLOY CONSISTING ESSENTIALLY OF A NICKEL-CHRONIUM BASE IN COMBINATION WITH BISMUTH, NICKEL BEING PRESENT IN THE APPROXIMATE RANGE OF 40-80% OF THE WHOLE ALLOY, CHRONIUM BEING PRESENT IN THE APPROXIMATELY RANGE OF 10-25% TO MAKE THE ALLOY CORROSION-RESISTANT, AND BISMUTH BEING PRESENT IN THE APPROXIMATE RANG OF 1-6% TO RENDER THE ALLOY NONGALLING, ANY REQUIRED BALANCE BEING SELECTED FROM THE GROUP CONSISTING OF NICKEL AND IRON.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |