US2707204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treated mica paper insulation
Assignee: General Electric Co
•
Filing: 1951-10-31
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Granted: 1955-04-26
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Expires: 1971-10-31
Abstract
No abstract record available.
Inventors
- 👤 Charles D Richardson
- 👤 Algerd F Zavist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:06
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/02; H01B3/04; H02; H02K; H02K3/00; H02K3/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
AN INSULATED ELECTRICAL CONDUCTOR COMPRISING IN COMBINATION A METALLIC CORE AND A WRAPPING OF SHEETING MATERIAL AT LEAST A SURFACE OF WHICH CONSISTS ESSENTIALLY OF MICA, SAID SHEET MATERIAL BEING IMPREGNATED AND COATED WITH A CURED MIXTURE OF INGREDIENTS COMPRISING (1) AN ACIDIC
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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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |