Patent US2589507A successfully refreshed from Google Patents.
US2589507A
Expired / Lapsed
US
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Expanded electrical transmission cable
Assignee: Alcoa Corp
•
Filing: 1947-01-11
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Granted: 1952-03-18
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Expires: 1967-01-11
Abstract
No abstract record available.
Inventors
- 👤 Maxwell E Noyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:51
CPC Classifications
H; H01; H01B; H01B5/00; H01B5/08; H01B5/10; H01B5/102; H01B5/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1199789A
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US1821887A
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US1705913A
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FR640818A
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AT135136B
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US2019297A
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US2075996A
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US2217284A
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US2375067A
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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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |