US2495167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wound core
Assignee: Westinghouse Electric Corp
•
Filing: 1945-05-19
•
Granted: 1950-01-17
•
Expires: 1965-05-19
Abstract
No abstract record available.
Inventors
- 👤 Clifford C Horstman
- 👤 John H Bramble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:44
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/25; H01F41/00; H01F41/02; H01F41/0206; H01F41/0213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586889A
Cited
US728183A
Cited
US1833221A
Cited
US2043720A
Cited
US2293951A
Cited
US2387099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |