US3469188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination discharge counter and grading current measuring means for a lightning arrester
Assignee: General Electric Co
•
Filing: 1966-07-13
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Granted: 1969-09-23
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Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:12
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/04; H02H3/048; G; G01; G01R; G01R27/00; G01R27/02; G01R27/16; G01R27/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1905412A
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US2129524A
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US2200233A
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US2284423A
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US2367329A
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US2528744A
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US2586815A
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US3215997A
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US3320524A
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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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |