US2970936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated electrical coils
Assignee: General Electric Co
•
Filing: 1957-12-12
•
Granted: 1961-02-07
•
Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Charles D Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:56
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/32; H02K3/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE METHOD OF MOLDING INSULATED CONDUCTOR BARS FOR AN ELECTRODYNAMIC MACHINE, THE INSULATION CONTAINING A THERMOSETTING MATERIAL WHICH COMPRISES (1) TREATING SAID BARS IN A VACUUM TO REMOVE VOLATILE MATERIAL THEREFROM, (2) SUBJECTING SAID BARS TO FLUID PRESSURE TO COMPRESS SAID BARS TO THEIR FINAL DIMENSION WITHOUT CURING, (3) ASSEMBLING SAID BARS IN AN ELECTRODYNAMIC MACHINE, AND (4) HEATING SAID ELECTRODYNAMIC MACHINE IN A PRESSURIZED GAS ATMOSPHERE TO CURE SAID THERMOSETTING MATERIAL.
Claim 2
Independent Claim
72 words
THE METHOD OF MOLDING INSULATED CONDUCTOR BARS FOR AN ELECTRODYNAMIC MACHINE, THE INSULATION CONTAINING A THERMOSETTING MATERIAL WHICH COMPRISES (1) TREATING SAID BARS IN A VACUUM TO REMOVE VOLATILE MATERIAL THEREFROM, (2) SUBJECTING SAID BARS TO FLUID PRESSURE TO COMPRESS SAID BARS TO THEIR FINAL DIMENSION WITHOUT CURING, (3) ASSEMBLING SAID BARS IN AN ELECTRODYNAMIC MACHINE, AND (4) HEATING SAID ELECTRODYNAMIC MACHINE IN A PRESSURIZED GAS ATMOSPHERE TO CURE SAID THERMOSETTING MATERIAL.
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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |