US2587587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension insulator for hightension conductors
Assignee: General Electric Co
•
Filing: 1945-10-15
•
Granted: 1952-03-04
•
Expires: 1965-10-15
Abstract
No abstract record available.
Inventors
- 👤 Russell G Bellezza
- 👤 George M Ruoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:13
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US443508A
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US809743A
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GB191316262A
Cited
US1458756A
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US1730124A
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US1696569A
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US2073519A
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CH219495A
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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) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |