Patent US2520046A successfully refreshed from Google Patents.
US2520046A
Expired / Lapsed
US
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Bonding team for protection against lead sheath corrosion
Assignee: Phelps Dodge Copper Products Corp
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Filing: 1945-10-05
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Granted: 1950-08-22
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Expires: 1965-10-05
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Merrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:20
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/2806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB171369A
Cited
US1610910A
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US1959526A
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US2161036A
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US2316293A
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US2278345A
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US2374121A
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US2436421A
Cited
US2367173A
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US2374067A
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US2427507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |