US3239335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ductile binary chromium alloy
Assignee: Individual
•
Filing: 1963-10-11
•
Granted: 1966-03-08
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Carlson Oscar Norman
- 👤 Frederick A Schmidt
- 👤 Le Vaughn L Sherwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:52
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A DUCTILE BINARY CHROMIUM ALLOY CONSISTING ESSENTIALLY OF FROM 0.1 TO 0.5 PERCENT BY WEIGHT OF A METAL WHOSE ATOMIC DIAMETER IS LONGER THAN THAT OF CHROMIUM BY UP TO 15% AND WHICH FORMS A SOLID SOLUTION WITH CHROMIUM IN SAID QUANTITY RANGE.
Claim 2
Dependent Claim
43 words
A DUCTILE BINARY CHROMIUM ALLOY CONSISTING ESSENTIALLY OF FROM 0.1 TO 0.5 PERCENT BY WEIGHT OF A METAL WHOSE ATOMIC DIAMETER IS LONGER THAN THAT OF CHROMIUM BY UP TO 15% AND WHICH FORMS A SOLID SOLUTION WITH CHROMIUM IN SAID QUANTITY RANGE.
References Cited (Backward Citations)
US3085007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |