US2602035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper pulp coating of coils
Assignee: General Electric Co
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Filing: 1949-09-08
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Granted: 1952-07-01
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Expires: 1969-09-08
Abstract
No abstract record available.
Inventors
- 👤 Camilli Guglielmo
- 👤 Willard F M Gray
- 👤 Mulligan Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:34
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/008; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/323; H01F27/34; H01F27/36; H01F27/363; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THE METHOD OF INSULATING AN ELECTRICAL WINDING OF THE TYPE HAVING A PLURALITY OF SUPERPOSED COAXIAL WINDING LAYERS, EACH OF SAID LAYERS HAVING A PLURALITY OF SPIRALLY-WOUND CONDUCTOR TURNS IN THE SAME RADIALLY-EXTENDING PLANE, WHICH INCLUDES BEATING A SOLID INSULATING MATERIAL INTO BITS, INTRODUCING THE BEATEN MATERIAL INTO A LIQUID, POSITIONING CORRUGATED AXIALLY-EXTENDING SPACER MEMBERS BETWEEN SUCCESSIVE TURNS OF SAID WINDING, WRAPPING A CORRUGATED SPACER MEMBER AROUND THE OUTER SURFACE OF SAID WINDING, AFTERWARDS SURROUNDING SAID WINDING WITH A COVERING PERMEABLE TO SAID LIQUID, THEN IMMERSING SAID WINDING IN SAID LIQUID HAVING SAID INSULATING MATERIAL IN SUSPENSION, AND CREATING A DIFFERENCE IN THE RELATIVE PRESSURES INSIDE AND OUTSIDE SAID PERMEABLE COVERING SO THAT THE LIQUID ADJACENT THE OUTSIDE SURFACE OF SAID PERMEABLE COVERING WILL PASS THERETHROUGH AND DEPOSIT ITS SUSPENSION ON THE OUTSIDE SURFACE OF SAID PERMEABLE COVERING.
Claim 2
Independent Claim
138 words
THE METHOD OF INSULATING AN ELECTRICAL WINDING OF THE TYPE HAVING A PLURALITY OF SUPERPOSED COAXIAL WINDING LAYERS, EACH OF SAID LAYERS HAVING A PLURALITY OF SPIRALLY-WOUND CONDUCTOR TURNS IN THE SAME RADIALLY-EXTENDING PLANE, WHICH INCLUDES BEATING A SOLID INSULATING MATERIAL INTO BITS, INTRODUCING THE BEATEN MATERIAL INTO A LIQUID, POSITIONING CORRUGATED AXIALLY-EXTENDING SPACER MEMBERS BETWEEN SUCCESSIVE TURNS OF SAID WINDING, WRAPPING A CORRUGATED SPACER MEMBER AROUND THE OUTER SURFACE OF SAID WINDING, AFTERWARDS SURROUNDING SAID WINDING WITH A COVERING PERMEABLE TO SAID LIQUID, THEN IMMERSING SAID WINDING IN SAID LIQUID HAVING SAID INSULATING MATERIAL IN SUSPENSION, AND CREATING A DIFFERENCE IN THE RELATIVE PRESSURES INSIDE AND OUTSIDE SAID PERMEABLE COVERING SO THAT THE LIQUID ADJACENT THE OUTSIDE SURFACE OF SAID PERMEABLE COVERING WILL PASS THERETHROUGH AND DEPOSIT ITS SUSPENSION ON THE OUTSIDE SURFACE OF SAID PERMEABLE COVERING.
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) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |