US3467936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightning arrestor and method of using the same
Assignee: Iowa State University Research Foundation Inc
•
Filing: 1966-03-28
•
Granted: 1969-09-16
•
Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Essam Nasser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:16
CPC Classifications
H; H01; H01T; H01T4/00; H01T4/16; H01T4/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US857849A
Cited
US1569154A
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US2888608A
Cited
US3019367A
Cited
US2916667A
Cited
US3099770A
Cited
US3259781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |