US3074153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ductile chromium
Assignee: Individual
•
Filing: 1961-05-17
•
Granted: 1963-01-22
•
Expires: 1981-05-17
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Paprocki
- 👤 George W Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:34
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/0047; C22C32/0068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A DUCTILE SINTERED POWDER COMPOSITION CONSISTING ESSENTIALLY OF CHROMIUM AND FROM ABOUT ONE TO FORTY WEIGHT PERCENT URANIUM NITRIDE.
Claim 2
Dependent Claim
19 words
A DUCTILE SINTERED POWDER COMPOSITION CONSISTING ESSENTIALLY OF CHROMIUM AND FROM ABOUT ONE TO FORTY WEIGHT PERCENT URANIUM NITRIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |