Patent US3513516A successfully refreshed from Google Patents.
US3513516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable electrode spark gap assembly
Assignee: Signalite Inc
•
Filing: 1965-03-16
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Granted: 1970-05-26
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Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Peter A Oddo
- 👤 Harold F Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:34
CPC Classifications
H; H01; H01T; H01T4/00; H01T4/10; H01T4/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2424805A
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US2422465A
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US2456896A
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US2562031A
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US2817036A
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US2923798A
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US3048681A
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US3229145A
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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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |