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US3068433A
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Electromagnetic coils
Assignee: GTE Sylvania Inc
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Filing: 1958-06-02
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Granted: 1962-12-11
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Wroblewski Theodore
- 👤 Zack Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:23
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; H01F; H01F30/00; H01F30/06; H01F30/10; H01F41/00; H01F41/02; H01F41/0206; H01F41/0246; H01F41/04; H01F41/12; H01F41/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US217466A
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US2457806A
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US2550592A
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US2604519A
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US2710947A
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US2850707A
Cited
US2856577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |