US3206385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersion hardening
Assignee: General Electric Co
•
Filing: 1960-07-12
•
Granted: 1965-09-14
•
Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 William H Meiklejohn
- 👤 Raymond E Skoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:46
CPC Classifications
C; C25; C25C; C25C5/00; C22; C22C; C22C1/00; C22C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF INCREASING THE STRENGTH OF A GIVEN METAL WHICH COMPRISES REDUCING THE METAL TO A MOLTEN STATE, MAKING THE MOLTEN METAL THE CATHODE OF AN ELECTROLYTIC CELL, PASSING A CURRENT BETWEEN SAID CATHODE AND AN ANODE IN SAID CELL TO ELECTROYTICALLY DEPOSIT A SECOND METAL AS PARTICLES INTO SAID FIRST METAL, SAID SECOND METAL BEING OF A HARDNESS GREATER THAN SAID FRIST METAL AND ESSENTIALLY NON-ALLOYING THEREWITH, AGITATING SAID FIRST METAL THEREBY MAINTAINING THE PARTICLES IN SUSPENSION, AND THEREAFTER CASTING SAID MELT.
Claim 2
Independent Claim
84 words
A METHOD OF INCREASING THE STRENGTH OF A GIVEN METAL WHICH COMPRISES REDUCING THE METAL TO A MOLTEN STATE, MAKING THE MOLTEN METAL THE CATHODE OF AN ELECTROLYTIC CELL, PASSING A CURRENT BETWEEN SAID CATHODE AND AN ANODE IN SAID CELL TO ELECTROYTICALLY DEPOSIT A SECOND METAL AS PARTICLES INTO SAID FIRST METAL, SAID SECOND METAL BEING OF A HARDNESS GREATER THAN SAID FRIST METAL AND ESSENTIALLY NON-ALLOYING THEREWITH, AGITATING SAID FIRST METAL THEREBY MAINTAINING THE PARTICLES IN SUSPENSION, AND THEREAFTER CASTING SAID MELT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |