US3243752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulated supported coils
Assignee: Allen Bradley Co LLC
•
Filing: 1962-03-07
•
Granted: 1966-03-29
•
Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leland E Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:50
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/127; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PRESSURE MOLDED ELECTRICAL COIL COMPRISING A PLURALITY OF LAYERS OF CONVOLUTED TURNS OF AN INSULATED CONDUCTOR AND DEFINING A LONGITUDINAL OPENING THERETHROUGH THE CONDUCTOR TURNS OF A RESPECTIVE LAYER LYING IN SUBSTANTIAL SIDE-BY-SIDE RELATIONSHIP, SAID LAYERS BEING SEPARATED FROM ONE ANOTHER BY MEANS OF INTERLEAVING INSULATING SHEET MATERIAL, A SUPPORTING AND LOCATING PLATE DISPOSED ADJACENT ONE SIDE OF SAID COIL AND BEING FORMED TO PROVIDE A WINDOW DEFINED BY UPSTANDING MARGINAL PORTIONS PROTRUDING PARTIALLY INTO THE LONGITUDINAL OPENING OF SAID COIL, AN INSULATING PLATE DISPOSED BETWEEN SAID SUPPORTING PLATE AND SAID COIL, A THERMOSET ENCAPSULATING COMPOUND SURROUNDING SAID COIL TURNS AND SAID SUPPORTING PLATE TO COMPACT SAID TURNS AND SAID SHEETS AS A SOLID UNIT; SAID UNIT AND SAID ENCAPSULATING MATERIAL DEFINING IN THEIR ADJACENT RELATIONSHIP A SUBSTANTIALLY DISTINCT MARGINAL LINE OF DEMARCATION.
Claim 2
Dependent Claim
134 words
A PRESSURE MOLDED ELECTRICAL COIL COMPRISING A PLURALITY OF LAYERS OF CONVOLUTED TURNS OF AN INSULATED CONDUCTOR AND DEFINING A LONGITUDINAL OPENING THERETHROUGH THE CONDUCTOR TURNS OF A RESPECTIVE LAYER LYING IN SUBSTANTIAL SIDE-BY-SIDE RELATIONSHIP, SAID LAYERS BEING SEPARATED FROM ONE ANOTHER BY MEANS OF INTERLEAVING INSULATING SHEET MATERIAL, A SUPPORTING AND LOCATING PLATE DISPOSED ADJACENT ONE SIDE OF SAID COIL AND BEING FORMED TO PROVIDE A WINDOW DEFINED BY UPSTANDING MARGINAL PORTIONS PROTRUDING PARTIALLY INTO THE LONGITUDINAL OPENING OF SAID COIL, AN INSULATING PLATE DISPOSED BETWEEN SAID SUPPORTING PLATE AND SAID COIL, A THERMOSET ENCAPSULATING COMPOUND SURROUNDING SAID COIL TURNS AND SAID SUPPORTING PLATE TO COMPACT SAID TURNS AND SAID SHEETS AS A SOLID UNIT; SAID UNIT AND SAID ENCAPSULATING MATERIAL DEFINING IN THEIR ADJACENT RELATIONSHIP A SUBSTANTIALLY DISTINCT MARGINAL LINE OF DEMARCATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |