US3049437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal plating
Assignee: Erico International Corp
•
Filing: 1959-09-02
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Granted: 1962-08-14
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Expires: 1979-09-02
Abstract
No abstract record available.
Inventors
- 👤 Rejdak Hattie Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:50
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF PLATING A MERCURY ALLOY ON A METAL SURFACE WHICH COMPRISES APPLYING A CHEMICALLY REDUCIBLE SALT OF BOTH MERCURY AND A METAL TO BE ALLOYED THEREWITH AND A POWDERED REDUCING AGENT FOR SUCH SALTS, ALL IN DRY FORM, DIRECTLY ON SUCH METAL SURFACE, DISSOLVING SUCH SALTS IN A COMMON SOLVENT THEREFOR WITH CONSEQUENT ACTION BY SUCH REDUCING AGENT TO REDUCE BOTH SALTS AND PRODUCE THE PLATING METALS IN ACTIVE FORM DIRECTLY AT THE SURFACE TO BE PLATED, WHEREBY SUCH PLATING METALS ARE IMMEDIATELY ALLOYED AND BONDED TO SUCH METAL SURFACE TO FORM A TENACIOUS COATING.
Claim 2
Independent Claim
97 words
THE METHOD OF PLATING A MERCURY ALLOY ON A METAL SURFACE WHICH COMPRISES APPLYING A CHEMICALLY REDUCIBLE SALT OF BOTH MERCURY AND A METAL TO BE ALLOYED THEREWITH AND A POWDERED REDUCING AGENT FOR SUCH SALTS, ALL IN DRY FORM, DIRECTLY ON SUCH METAL SURFACE, DISSOLVING SUCH SALTS IN A COMMON SOLVENT THEREFOR WITH CONSEQUENT ACTION BY SUCH REDUCING AGENT TO REDUCE BOTH SALTS AND PRODUCE THE PLATING METALS IN ACTIVE FORM DIRECTLY AT THE SURFACE TO BE PLATED, WHEREBY SUCH PLATING METALS ARE IMMEDIATELY ALLOYED AND BONDED TO SUCH METAL SURFACE TO FORM A TENACIOUS COATING.
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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |