US3058160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for making preformed insulation for stationary induction apparatus
Assignee: McGraw Edison Co
•
Filing: 1957-11-08
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Granted: 1962-10-16
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Expires: 1977-11-08
Abstract
No abstract record available.
Inventors
- 👤 William A Mocker
- 👤 Frederick W Packard
- 👤 John J Zimsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:48
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/324; B; B31; B31F; B31F1/00; B31F1/0003; B31F1/0006; B31F1/0009; B31F1/0077; B31F1/20; B31F1/24; B31F1/26; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US448748A
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US891642A
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US1882683A
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US2100891A
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US2123543A
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US2167539A
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US2723302A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |