US2674648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical insulation, insulated conductor, and method of preparation
Assignee: General Electric Co
•
Filing: 1951-10-31
•
Granted: 1954-04-06
•
Expires: 1971-10-31
Abstract
No abstract record available.
Inventors
- 👤 Paul O Nicodemus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:02
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/447; H01B3/02; H01B3/04; H01B3/08; H01B3/084; H01B3/42; H01B3/421; H01B3/425; H01B3/48; H02; H02K; H02K3/00; H02K3/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
A MAGNET WIRE HAVING AN ADHERENT INSULATING WRAPPING THEREON COMPRISING FLEXIBLE, FIBROUS, INORGANIC TAPE PERMEATED WITH AN ACRYLATE COPOLYMER OF FROM 50 TO 90% ETHYL ACRYLATE AND FROM 10 TO 50% METHYL ACRYLATE, THE AFORESAID ACRYLATE-PERMEATED FIBROUS MATERIAL BEING COATED WITH A PARTIALLY INTERCONDENSED RESINOUS PRODUCT OBTAINED BY INTERCONDENSING A MIXTURE OF INGREDIENTS COMPRISING, BY WEIGHT, (A) FROM 25 TO 95% OF AN ETHOXYLINE RESIN COMPRISING A POLYETHER DERIVATIVE OF A POLYHYDRIC ORGANIC COMPOUND CONTAINING EPOXY GROUPS AND (B) FROM 5 TO 75% OF AN ACIDIC UNSATURATED POLYMERIZABLE POLYESTER HAVING AN ACID NUMBER IN EXCESS OF 50 AND BEING THE PRODUCT OF REACTION OF A MIXTURE OF INGREDIENTS COMPRISING AN ALIPHATIC DIHYDRIC ALCOHOL AND AN ALPHA UNSATURATED ALPHA, BETA DICARBOXYLIC ACID.
References Cited (Backward Citations)
US1996314A
Cited
US2045103A
Cited
US2269185A
Cited
US2261983A
Cited
US2595729A
Cited
US2550465A
Cited
US2569920A
Cited
US2591539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |