US2283868A
Expired / Lapsed
US
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Hot-galvanized carbon-steel alternating-current conductor
Assignee: Indiana Steel & Wire Co
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Filing: 1939-02-13
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Granted: 1942-05-19
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Expires: 1959-02-13
Abstract
No abstract record available.
Inventors
- 👤 Frank F Fowle
- 👤 Frederick M Crapo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:28
CPC Classifications
C; C21; C21D; C21D8/00; C21D8/06; C23; C23C; C23C2/00; C23C2/003; C23C2/0035; C23C2/0038; C23C2/02; C23C2/022; C23C2/0224; C23C2/024; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12799
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) | 1945-05-18 | 1945-11-17 | 1946-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-18 | 1949-11-17 | 1950-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-18 | 1953-11-17 | 1954-05-19 | $7700.00 | Window Closed / Lapsed |