Patent US2679677A successfully refreshed from Google Patents.
US2679677A
Expired / Lapsed
US
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Woven glass electrical insulating sheet
Assignee: General Electric Co
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Filing: 1951-10-30
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Granted: 1954-06-01
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Expires: 1971-10-30
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Crandall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:02
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/084; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/3301; Y10T442/3309
Claims Analysis
Total Claims: 0
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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) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |