US3334413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of electrical coils
Assignee: Atlantic Richfield Co
•
Filing: 1962-02-19
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Granted: 1967-08-08
•
Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Ii Addison Romaine Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:41
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/122; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A METHOD OF FORMING ELECTRICAL COILS FROM ROLLS OF STRIP CONDUCTOR MATERIAL HAVING UNINSULATED SIDE EDGES WHICH HAVE A METAL SURFACE CAPABLE OF BEING ANODIZED, THE IMPROVEMENT COMPRISING: (A) MAKING KNIFE-EDGED ANODE CONTACT ALONG A PORTION OF THE SIDE EDGES OF A PLURALITY OF TURNS IN A ROLL OF STRIP CONDUCTOR MATERIAL, (B) ANODIZING THE SIDE EDGES OF THE STRIP CONDUCTOR MATERIAL WHILE MAKING SAID ANODE CONTACT, AND (C) UNWINDING THE ROLL AND WINDING THE RESULTANT EDGE ANODIZED STRIP INTO A COIL WITH INSULATION BETWEEN THE TURNS OF THE COIL AND HAVING A DIFFERENT NUMBER OF TURNS THAN THE ROLL SUCH THAT SAID UNINSULATED CONTACTED EDGE PORTIONS IN SUBSTANTIALLY ANY TURN OF THE STRIP IN THE COIL ARE OUT OF REGISTRY WITH THE CONTACTED PORTIONS IN AN ADJACENT TURN IN THE COIL.
Claim 2
Dependent Claim
133 words
IN A METHOD OF FORMING ELECTRICAL COILS FROM ROLLS OF STRIP CONDUCTOR MATERIAL HAVING UNINSULATED SIDE EDGES WHICH HAVE A METAL SURFACE CAPABLE OF BEING ANODIZED, THE IMPROVEMENT COMPRISING: (A) MAKING KNIFE-EDGED ANODE CONTACT ALONG A PORTION OF THE SIDE EDGES OF A PLURALITY OF TURNS IN A ROLL OF STRIP CONDUCTOR MATERIAL, (B) ANODIZING THE SIDE EDGES OF THE STRIP CONDUCTOR MATERIAL WHILE MAKING SAID ANODE CONTACT, AND (C) UNWINDING THE ROLL AND WINDING THE RESULTANT EDGE ANODIZED STRIP INTO A COIL WITH INSULATION BETWEEN THE TURNS OF THE COIL AND HAVING A DIFFERENT NUMBER OF TURNS THAN THE ROLL SUCH THAT SAID UNINSULATED CONTACTED EDGE PORTIONS IN SUBSTANTIALLY ANY TURN OF THE STRIP IN THE COIL ARE OUT OF REGISTRY WITH THE CONTACTED PORTIONS IN AN ADJACENT TURN IN THE COIL.
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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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |