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Patent US3480832A successfully refreshed from Google Patents.
US3480832A
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US
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Electrical surge arrestor
Assignee: Dale Electronics Inc
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Filing: 1966-11-14
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Granted: 1969-11-25
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Herman R Person
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:25
CPC Classifications
H; H02; H02H; H02H9/00; H02H9/001; H02H9/04; H02H9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2456986A
Cited
US2655582A
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US2789254A
Cited
US2980874A
Cited
US3353067A
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US3339112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |