US3563850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical insulation containing epoxy resin,bis(2,3-epoxy-cyclopentyl) ether and resorcinol formaldehyde resin
Assignee: General Electric Co
•
Filing: 1969-06-11
•
Granted: 1971-02-16
•
Expires: 1989-06-11
Abstract
Abstract ELECTRICAL INSULATION TREATED WITH SOLVENTLESS RESIN COMPOSITIONS COMPRISING (A) RELATIVELY SLOWER CURING BIS (2,3EPOXYCYCLOPENTYL) ETHER, (B) OTHER RELATIVELY FASTER CURING 1,2 EPOXY RESIN, AND (C) RESORCINOL FORMALDEHYDE HARDENER IS CHARACTERIZED BY READY APPLICATION AND GOOD ELECTRICAL AND PHYSICAL PROPERTIES.
Inventors
- 👤 Donald F Stackhouse
- 👤 Mark Markovitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:38
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/40; C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/226; C08G59/32; C08G59/38; C08L; C08L63/00; H01B3/02; H01B3/04; H01B3/36; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |