US2917570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite mica paper, mica flake electrical insulating material
Assignee: General Electric Co
•
Filing: 1957-04-25
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Granted: 1959-12-15
•
Expires: 1977-04-25
Abstract
No abstract record available.
Inventors
- 👤 George M Wolff
- 👤 Charles D Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:55
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/04; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/251; Y10T428/29; Y10T428/2913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AN ELECTRICAL INSULATING TAPE COMPRISING A REINFORCING LAYER HAVING SUPERIMPOSED THEREON AT LEAST ONE LAYER
Claim 2
Dependent Claim
15 words
AN ELECTRICAL INSULATING TAPE COMPRISING A REINFORCING LAYER HAVING SUPERIMPOSED THEREON AT LEAST ONE LAYER
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |