US2737463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of copperizing aluminum and aluminum alloys
Assignee: Motors Liquidation Co
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Filing: 1952-04-19
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Granted: 1956-03-06
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Expires: 1972-04-19
Abstract
No abstract record available.
Inventors
- 👤 Ledra M Lawton
- 👤 Stuart T Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:53
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/02; Y; Y10; Y10S; Y10S205/00; Y10S205/917; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF APPLYING A COPPER COATING TO A BASE METAL HAVING A SURFACE COMPOSED AT LEAST PREPONDERANTLY OF ALUMINUM COMPRISING COATING SAID BASE WITH A SLURRY OF CUPROUS CHLORIDE SUSPENDED IN ROSIN PLASTICIZED WITH A TERPHENYL TYPE COMPOUND, THEREAFTER HEATING SAID BASE AND SLURRY THEREON FOR A TIME AND AT A TEMPERATURE SUFFICIENT TO VOLATIZE EXCESS PLASTICIZER AND THEREBY DRY THE SLURRY ON SAID AND THEN HEATING THE BASE AND DRIED COATING AT A HIGHER TEMPERATURE THAN THE DRYING TEMPERATURE AND FOR A TIME SUFFICIENT TO FORM A COPPER COATING ON SAID BASE.
Claim 2
Independent Claim
94 words
A METHOD OF APPLYING A COPPER COATING TO A BASE METAL HAVING A SURFACE COMPOSED AT LEAST PREPONDERANTLY OF ALUMINUM COMPRISING COATING SAID BASE WITH A SLURRY OF CUPROUS CHLORIDE SUSPENDED IN ROSIN PLASTICIZED WITH A TERPHENYL TYPE COMPOUND, THEREAFTER HEATING SAID BASE AND SLURRY THEREON FOR A TIME AND AT A TEMPERATURE SUFFICIENT TO VOLATIZE EXCESS PLASTICIZER AND THEREBY DRY THE SLURRY ON SAID AND THEN HEATING THE BASE AND DRIED COATING AT A HIGHER TEMPERATURE THAN THE DRYING TEMPERATURE AND FOR A TIME SUFFICIENT TO FORM A COPPER COATING ON SAID BASE.
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) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |