US2969585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic strip material for cores of transformers and method of manufacture of such strip materials and cores
Assignee: Central Transformer Corp
•
Filing: 1954-08-09
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Granted: 1961-01-31
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Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 George A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:22
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/25; H01F41/00; H01F41/02; H01F41/0206; H01F41/0213; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/307; Y10T225/321; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/49789; Y10T29/4979; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12361; Y10T428/12389; Y10T428/12396
Claims Analysis
Total Claims: 0
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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) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |