US3535779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Over-voltage protection techniques
Assignee: AJR ELECTRONICS CORP LEVITTOWN
•
Filing: 1967-06-27
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Granted: 1970-10-27
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Expires: 1987-06-27
Abstract
No abstract record available.
Inventors
- 👤 Oley Wanaselja
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:27
CPC Classifications
H; H01; H01T; H01T4/00; H01T4/08; H02; H02H; H02H9/00; H02H9/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2414622A
Cited
US2620453A
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US2764709A
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US3176216A
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US3229354A
Cited
US3180958A
Cited
US3254181A
Cited
US3294940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |