US3458843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband shielded transformers
Assignee: General Electric Co
•
Filing: 1964-12-28
•
Granted: 1969-07-29
•
Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Harold W Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:42
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/34; H01F27/36; H01F27/363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114189A
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US2862194A
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US2878441A
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US3039042A
Cited
US3020502A
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US3244960A
Cited
US3153758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |