US3364394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power factor correction apparatus
Assignee: Federal Pacific Electric Co
•
Filing: 1967-02-15
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Granted: 1968-01-16
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Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Robert P Metz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:51
CPC Classifications
H; H02; H02B; H02B13/00; H02B13/02; H01; H01G; H01G4/00; H01G4/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2619521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |