US3329883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power control system with wide range phase control
Assignee: Basler Electric Co
•
Filing: 1963-10-16
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Granted: 1967-07-04
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Waldo J Frierdich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:49
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3114098A
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US3151286A
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US3134068A
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US3230440A
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US3270270A
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US3260922A
Cited
US3273045A
Cited
US3131545A
Cited
US3273043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |