US2771380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of plating copper particles with silver
Assignee: Burgess Battery Co
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Filing: 1954-08-02
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Granted: 1956-11-20
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Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Coleman
- 👤 Emil M Dittman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:20
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/24; B22F1/00; B22F1/17; C; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1633; C23C18/1635; C23C18/31; C23C18/42; C23C18/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE METHOD OF PLATING COPPER PARTICLES WITH SILVER WHICH COMPRISES DRY MIXING SAID COPPER PARTICLES WITH DISCRETE WATER-SOLUBLE BODIES WHEREBY SAID COPPER PARTICLES BECOME ATTACHED TO THE SURFACES OF SAID WATER-SOLUBLE BODIES, SAID WATER-SOLUBLE BODIES OF A SIZE SUBSTANTIALLY LARGER THAN THAT OF SAID COPPER PARTICLES AND THE VOLUME OF THE WATER-SOLUBLE BODIES BEING GREATER THAN THAT OF THE COPPER PARTICLES AND BEING SUFFICIENT THAT THE COPPER PARTICLES ARE IN DISPERSED CONDITION ON THE SURFACES OF THE WATER-SOLUBLE BODIES, IMMERSING SAID MIXTURE IN AN IMMERSION TYPE AQUEOUS SILVER PLATING BATH, CAUSING SAID WATER-SOLUBLE BODIES TO BE DISSOLVED IN SAID PLATING BATH, AND SEPARATING THE RESULTING SILVER PLATED COPPER PARTICLES FROM SAID PLATING BATH.
Claim 2
Independent Claim
113 words
THE METHOD OF PLATING COPPER PARTICLES WITH SILVER WHICH COMPRISES DRY MIXING SAID COPPER PARTICLES WITH DISCRETE WATER-SOLUBLE BODIES WHEREBY SAID COPPER PARTICLES BECOME ATTACHED TO THE SURFACES OF SAID WATER-SOLUBLE BODIES, SAID WATER-SOLUBLE BODIES OF A SIZE SUBSTANTIALLY LARGER THAN THAT OF SAID COPPER PARTICLES AND THE VOLUME OF THE WATER-SOLUBLE BODIES BEING GREATER THAN THAT OF THE COPPER PARTICLES AND BEING SUFFICIENT THAT THE COPPER PARTICLES ARE IN DISPERSED CONDITION ON THE SURFACES OF THE WATER-SOLUBLE BODIES, IMMERSING SAID MIXTURE IN AN IMMERSION TYPE AQUEOUS SILVER PLATING BATH, CAUSING SAID WATER-SOLUBLE BODIES TO BE DISSOLVED IN SAID PLATING BATH, AND SEPARATING THE RESULTING SILVER PLATED COPPER PARTICLES FROM SAID PLATING BATH.
References Cited (Backward Citations)
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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) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |