US3215510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy
Assignee: General Electric Co
•
Filing: 1963-10-02
•
Granted: 1965-11-02
•
Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Kelly
- 👤 Keith H Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:41
CPC Classifications
C; C22; C22C; C22C29/00; C22C29/02; C22C29/06; C22C29/08; C22C29/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A CORROSION RESISTANT, CEMENTED CARBIDE ALLOY CONSISTING ESSENTIALLY OF TUNGSTEN CARBIDE AND ABOUT 10 TO 30%, BY WEIGHT OF A BINDER OF AN ALLOY OF CHROMIUM AND NICKEL, THE RATIO OF THE WEIGHT OF CHROMIUM TO THE COMBINED WEIGHT OF NICKEL AND CHROMIUM RANGING FROM ABOUT 0.015 TO ABOUT 0.15.
Claim 2
Dependent Claim
50 words
A CORROSION RESISTANT, CEMENTED CARBIDE ALLOY CONSISTING ESSENTIALLY OF TUNGSTEN CARBIDE AND ABOUT 10 TO 30%, BY WEIGHT OF A BINDER OF AN ALLOY OF CHROMIUM AND NICKEL, THE RATIO OF THE WEIGHT OF CHROMIUM TO THE COMBINED WEIGHT OF NICKEL AND CHROMIUM RANGING FROM ABOUT 0.015 TO ABOUT 0.15.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |