Patent US3625652A successfully refreshed from Google Patents.
Patent US3072499A successfully refreshed from Google Patents.
US3072499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating tin on copper surfaces
Assignee: Texaco Inc
•
Filing: 1960-12-29
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Granted: 1963-01-08
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Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Edward L Cole
- 👤 Edwin C Knowles
- 👤 Wayne E Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:08
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD OF FORMING A TIN COATING ON AN EXTENDED COPPER SURFACE WHICHH COMPRISES CONTACTING SAID SURFACE WITH AN AQUEOUS SOLUTION CONTAININNG A SOLUBLE COMPOUND OF TIN HAVING A PH OF NOT LESS THAN 3, AND SUBJECTING SAID SOLUTION TO A REDUCING GAS UNDER PRESSURE WHEREBY A COATING OF TIN IS FORMED ON SAID SURFACE.
Claim 2
Independent Claim
55 words
A METHOD OF FORMING A TIN COATING ON AN EXTENDED COPPER SURFACE WHICHH COMPRISES CONTACTING SAID SURFACE WITH AN AQUEOUS SOLUTION CONTAININNG A SOLUBLE COMPOUND OF TIN HAVING A PH OF NOT LESS THAN 3, AND SUBJECTING SAID SOLUTION TO A REDUCING GAS UNDER PRESSURE WHEREBY A COATING OF TIN IS FORMED ON SAID SURFACE.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |