US3223896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum strip roll for forming electrical coils
Assignee: Atlantic Richfield Co
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Filing: 1961-01-04
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Granted: 1965-12-14
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Expires: 1981-01-04
Abstract
No abstract record available.
Inventors
- 👤 Ii Addison Romaine Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:02
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/122; C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A ROLL OF ALUMINUM STRIP FORMED FOR REWINDING INTO ELECTRIC COILS COMPRISING AN EXTENDED LENGTH OF ALUMINUM STRIP WOUND INTO A MULTI-LAYER ROLL, SAID STRIP HAVING A CONTINUOUS FILM OF DIELECTRIC COATING COMPOSITION ADHERENT TO AT LEAST ONE FACE THEREOF WHICH IS DISPOSED BETWEEN SUCCESSIVE LAYERS OF THE ROLL, SIDE EDGES ON SAID STRIP WHICH ARE FREE FROM SAID COMPOSITION, A SEALING COMPOUND DISPOSED BETWEEN AND SEALING THE TURNS OF THE ROLL ON AT LEAST THE MARGINAL EDGE PORTIONS OF THE STRIP ON AT LEAST ONE SIDE THEREOF WITH THE SIDE EDGES OF THE STRIP BEING FREE FROM SAID COMPOUND, AND A DISTINCT DIELECTRIC OXIDIC LAYER COVERING AND INSULATING SAID SIDE EDGES OF THE STRIP, SAID ROLL BEING WOUND WITH THE SUCCESSIVE LAYERS FORMED BY ADJACENT TURNS OF THE STRIP BEING FREE FROM BOCKING AND SEPARABLE FROM EACH OTHER SO THAT REWINDING INTO ELECTRIC COILS IS PERMITTED.
Claim 2
Dependent Claim
147 words
A ROLL OF ALUMINUM STRIP FORMED FOR REWINDING INTO ELECTRIC COILS COMPRISING AN EXTENDED LENGTH OF ALUMINUM STRIP WOUND INTO A MULTI-LAYER ROLL, SAID STRIP HAVING A CONTINUOUS FILM OF DIELECTRIC COATING COMPOSITION ADHERENT TO AT LEAST ONE FACE THEREOF WHICH IS DISPOSED BETWEEN SUCCESSIVE LAYERS OF THE ROLL, SIDE EDGES ON SAID STRIP WHICH ARE FREE FROM SAID COMPOSITION, A SEALING COMPOUND DISPOSED BETWEEN AND SEALING THE TURNS OF THE ROLL ON AT LEAST THE MARGINAL EDGE PORTIONS OF THE STRIP ON AT LEAST ONE SIDE THEREOF WITH THE SIDE EDGES OF THE STRIP BEING FREE FROM SAID COMPOUND, AND A DISTINCT DIELECTRIC OXIDIC LAYER COVERING AND INSULATING SAID SIDE EDGES OF THE STRIP, SAID ROLL BEING WOUND WITH THE SUCCESSIVE LAYERS FORMED BY ADJACENT TURNS OF THE STRIP BEING FREE FROM BOCKING AND SEPARABLE FROM EACH OTHER SO THAT REWINDING INTO ELECTRIC COILS IS PERMITTED.
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |