US3647611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating tape for producing an insulating sleeve for electrical conductors impregnated with a thermosetting impregnation epoxy resin mixture
Assignee: Siemens AG
•
Filing: 1969-08-19
•
Granted: 1972-03-07
•
Expires: 1989-08-19
Abstract
Abstract AS A BINDER FOR AN ACCELERATOR CONTAINING MICA TAPE FOR PRODUCING THE MICALASTIC INSULATION, I USE POLYMERIZABLE ADDITIVES OF ACID COMPONENTS, CONTAINING AT LEAST ONE POLYMERIZABLE DOUBLE COMPOUND, AND EPOXIDE COMPOUNDS TO WHICH ORGANIC PEROXIDES ARE ADDED. THIS BINDER IS SELF HARDENING IN THE IMPREGNATION RESIN.
Inventors
- 👤 Willi Mertens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:42
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/40; H01B3/02; H01B3/04; H02; H02K; H02K3/00; H02K3/30; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/251
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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |