US2456015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical conductor
Assignee: Columbian Rope Co
•
Filing: 1944-08-01
•
Granted: 1948-12-14
•
Expires: 1964-08-01
Abstract
No abstract record available.
Inventors
- 👤 Keith L Orser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/04; H01B7/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US439583A
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US571539A
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GB190811163A
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GB104401A
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US1661102A
Cited
US1839698A
Cited
US2002739A
Cited
US2175389A
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US2348234A
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US2313234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |