Patent US3301494A successfully refreshed from Google Patents.
US3301494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the formation of malleable metal powders
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1964-03-13
•
Granted: 1967-01-31
•
Expires: 1984-03-13
Abstract
No abstract record available.
Inventors
- 👤 Tornqvist Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:07
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/04; C; C08; C08F; C08F10/00; B22F2009/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD FOR PRODUCING POWDERS OF MALLEABLE METALS WHICH COMPRISES SEVERELY GRINDING IN THE ABSENCE OF A DILUENT, A NON-FUSED MIXTURE CONSISTING ESSENTIALLY OF AT LEAST ONE MALLEBLE METAL HAVING A BRINELL HARDNESS RANGING FROM ABOUT 1 TO 75 AND AT LEAST ONE SOLID METAL HALIDE GRINDING AID SELECTED FROM THE GROUP CONSISTING OF CHLORIDES AND BROMIDES OF METALS OF GROUPS II-A,II-B,III-B,IV-A,IV-B,V-A,V-B,VI-A,VII-A, AND VIII OF THE MENDELEEV PERIODIC TABLE, THE METAL MOIETY OF SAID METAL HALIDE GRINDING AID BEING AT LEAST AS ELECTROPOSITIVE AS THE MALLEABLE METAL BEING GROUND, AND RECOVERING A POWDER OF SAID MALLEABLE METAL SUBSTANTIALLY FREE SAID GRINDING AID.
Claim 2
Independent Claim
102 words
A METHOD FOR PRODUCING POWDERS OF MALLEABLE METALS WHICH COMPRISES SEVERELY GRINDING IN THE ABSENCE OF A DILUENT, A NON-FUSED MIXTURE CONSISTING ESSENTIALLY OF AT LEAST ONE MALLEBLE METAL HAVING A BRINELL HARDNESS RANGING FROM ABOUT 1 TO 75 AND AT LEAST ONE SOLID METAL HALIDE GRINDING AID SELECTED FROM THE GROUP CONSISTING OF CHLORIDES AND BROMIDES OF METALS OF GROUPS II-A,II-B,III-B,IV-A,IV-B,V-A,V-B,VI-A,VII-A, AND VIII OF THE MENDELEEV PERIODIC TABLE, THE METAL MOIETY OF SAID METAL HALIDE GRINDING AID BEING AT LEAST AS ELECTROPOSITIVE AS THE MALLEABLE METAL BEING GROUND, AND RECOVERING A POWDER OF SAID MALLEABLE METAL SUBSTANTIALLY FREE SAID GRINDING AID.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |