US2942334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powdered ferrous metals and articles and methods of making the same
Assignee: Old Carco LLC
•
Filing: 1957-01-18
•
Granted: 1960-06-28
•
Expires: 1977-01-18
Abstract
No abstract record available.
Inventors
- 👤 Roy E Blue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:20
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/02; C22C33/0257; C22C33/0264; C22C33/0271; B; B22; B22F; B22F1/00; B22F1/14; B22F1/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
AS A PRODUCT OF MANUFACTURE A MASS OF INDIVIDUAL POWDERED METAL PARTICLES FOR USE IN MAKING SINTGERED COMPACTS, SAID PARTICLES COMPRISING FERROUS METAL BODIES HAVING INTEGRAL CHEMICALLY BONDED SURFACE FILMS OF FERROUS
Claim 2
Dependent Claim
32 words
AS A PRODUCT OF MANUFACTURE A MASS OF INDIVIDUAL POWDERED METAL PARTICLES FOR USE IN MAKING SINTGERED COMPACTS, SAID PARTICLES COMPRISING FERROUS METAL BODIES HAVING INTEGRAL CHEMICALLY BONDED SURFACE FILMS OF FERROUS
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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |