US2364436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation for magnetic steel and the like
Assignee: General Electric Co
•
Filing: 1943-07-07
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Granted: 1944-12-05
•
Expires: 1963-07-07
Abstract
No abstract record available.
Inventors
- 👤 Wayne R Frisch
- 👤 Charles W Crew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:52
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; Y; Y10; Y10S; Y10S106/00; Y10S106/03; Y10S428/00; Y10S428/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-12-05 | 1948-06-05 | 1948-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-12-05 | 1952-06-05 | 1952-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-12-05 | 1956-06-05 | 1956-12-05 | $7700.00 | Window Closed / Lapsed |