US3435330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductive voltage divider-autotransformer automatic voltage regulating system
Assignee: Sola Basic Industries Inc
•
Filing: 1965-12-08
•
Granted: 1969-03-25
•
Expires: 1985-12-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Sola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:33
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2530011A
Cited
US2547615A
Cited
US2714188A
Cited
US3263157A
Cited
US3268798A
Cited
US3353093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |