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US3036149A
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Grading and shielding means for transmission lines
Assignee: Lapp Insulator Co LLC
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Filing: 1961-02-15
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Granted: 1962-05-22
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Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Carl D Fiero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:49
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/12; H01; H01B; H01B17/00; H01B17/42; H01B17/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |