US3382483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemetering system for determining phase angle
Assignee: Sangamo Electric Co
•
Filing: 1963-10-30
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Granted: 1968-05-07
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Brothman Abraham
- 👤 Yanis Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:47
CPC Classifications
G; G01; G01R; G01R29/00; G01R29/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2564439A
Cited
US2877416A
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US3098215A
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US2977538A
Cited
US3229203A
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US3209254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |