Patent EP0106004A1 successfully refreshed from Google Patents.
Patent US2459018A successfully refreshed from Google Patents.
US2459018A
Expired / Lapsed
US
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Method of coating electrical devices
Assignee: AT&T Inc
•
Filing: 1945-03-22
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Granted: 1949-01-11
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Expires: 1965-03-22
Abstract
No abstract record available.
Inventors
- 👤 Monte Robert W De
- 👤 Atwell B Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/127; H01F27/00; H01F27/02; H01F27/022; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2915; Y10T428/2922; Y10T428/2925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323284A
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US1404792A
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US1939301A
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US1848344A
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US2061388A
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US2085995A
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US2256160A
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US2198939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |