Patent US2669646A successfully refreshed from Google Patents.
US2669646A
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US
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Electrically conductive material
Assignee: Goodyear Tire and Rubber Co
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Filing: 1950-01-20
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Granted: 1954-02-16
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Expires: 1970-01-20
Abstract
No abstract record available.
Inventors
- 👤 Charles J Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/04; H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; H05; H05B; H05B3/00; H05B3/02; H05B3/06; H05B3/20; H05B3/34; H05B3/342; H05B3/347; H05B3/68; H05B3/688; H05B2203/00; H05B2203/002; H05B2203/005; H05B2203/011; H05B2203/013; H05B2203/017; H05B2203/036; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/322; Y10T442/3228; Y10T442/3236
Claims Analysis
Total Claims: 0
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US2631219A
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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) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |