US3154413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of producing metallic compositions comprising amalgams
Assignee: Associated Electrical Industries Ltd
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Filing: 1961-07-05
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Granted: 1964-10-27
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Expires: 1981-07-05
Abstract
No abstract record available.
Inventors
- 👤 Dow Robert Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:36
CPC Classifications
C; C22; C22C; C22C7/00; B; B22; B22C; B22C7/00; B22C7/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A METHOD OF COMPOUNDING FINELY DIVIDED METAL POWDERS WITH MERCURY TO PRODUCE MOULDABLE PELLETS COMPRISING THE STEPS OF TREATING A POWDERED METAL SELECTED FROM THE GROUP OF COPPER, IRON, NICKEL, ZINC AND MIXTURES THEREOF WITH AN ELECTRODELESS HYDROCHLORIC ACID PLATING SOLUTION OF PALLADIUM CHLORIDE TO DEPOSIT A THIN FILM OF READILY AMALGAMATED PALLADIUM METAL ON SAID POWDERED METAL, AGITATING THE COATED METAL POWDER IN CONTACT WITH MERCURY TO FORM AN AMALGAM, DRYING THE AMALGAMATED POWDER, AND MOULDING THE DRIED AMALGAMATED POWDER INTO PELLETS.
References Cited (Backward Citations)
US489077A
Cited
US2991176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |