Patent US2217832A successfully refreshed from Google Patents.
US2217832A
Expired / Lapsed
US
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Braid covered electric cord and method of making such a cord
Assignee: AT&T Inc
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Filing: 1939-03-03
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Granted: 1940-10-15
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Expires: 1959-03-03
Abstract
No abstract record available.
Inventors
- 👤 William T Barrans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:25
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/008; D; D04; D04C; D04C1/00; D04C1/02; D04C1/06; D04C1/12; D04C3/00; D04C3/02; D04C3/12; D04C3/48; H01B13/22; H01B13/26; H01B13/2606; D10; D10B; D10B2401/00; D10B2401/06; D10B2401/061; Y; Y10; Y10S; Y10S264/00; Y10S264/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-15 | 1944-04-15 | 1944-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-15 | 1948-04-15 | 1948-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-15 | 1952-04-15 | 1952-10-15 | $7700.00 | Window Closed / Lapsed |