Patent US2248588A successfully refreshed from Google Patents.
US2248588A
Expired / Lapsed
US
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Gas filled cable installation
Assignee: General Electric Co
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Filing: 1940-06-06
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Granted: 1941-07-08
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Expires: 1960-06-06
Abstract
No abstract record available.
Inventors
- 👤 George B Shanklin
- 👤 Vincent A Sheals
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:02
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/20; H02G15/24; H02G15/26
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) | 1944-07-07 | 1945-01-06 | 1945-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-07 | 1949-01-06 | 1949-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-07 | 1953-01-06 | 1953-07-08 | $7700.00 | Window Closed / Lapsed |