US2722492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated electrical conductor
Assignee: Hercules Powder Co
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Filing: 1954-08-17
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Granted: 1955-11-01
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Expires: 1974-08-17
Abstract
No abstract record available.
Inventors
- 👤 Robert H Ralston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:08
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/02; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/427; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AN INSULATED ELECTRICAL CONDUCTOR COMPRISING AN ELECTRICAL CONDUCTOR AND AS INSULATION THEREFOR A POLYMER OF THE GROUP CONSISTING OF HOMOPOLYMERS OF 3,3BIS(CHLOROMETHYL)OXETANE, COPOLYMERS OF 3,3-BIS(CHLOROMETHYL)OXETANE WITH OTHER 3,3-DISUBSTITUTED OXETANES, AND COPOLYMERS OF 3,3-BIS(CHLOROMETHYL)OXETANE WITH OXETANE ADMIXED WITH NONSOLVENT PLASTICIZER THEREFOR, SAID PLASTICIZER BEING PRESENT IN AN AMOUNT OF AT LEAST ABOUT 3% OF THE TOTAL MIXTURE AND SAID POLYMER HAVING A SPECIFIC VISCOSITY OF AT LEAST ABOUT 0.3, WHEN MEASURED AS A 1% SOLUTION IN CYCLOHEXANONE AT 50* C.
Claim 2
Dependent Claim
79 words
AN INSULATED ELECTRICAL CONDUCTOR COMPRISING AN ELECTRICAL CONDUCTOR AND AS INSULATION THEREFOR A POLYMER OF THE GROUP CONSISTING OF HOMOPOLYMERS OF 3,3BIS(CHLOROMETHYL)OXETANE, COPOLYMERS OF 3,3-BIS(CHLOROMETHYL)OXETANE WITH OTHER 3,3-DISUBSTITUTED OXETANES, AND COPOLYMERS OF 3,3-BIS(CHLOROMETHYL)OXETANE WITH OXETANE ADMIXED WITH NONSOLVENT PLASTICIZER THEREFOR, SAID PLASTICIZER BEING PRESENT IN AN AMOUNT OF AT LEAST ABOUT 3% OF THE TOTAL MIXTURE AND SAID POLYMER HAVING A SPECIFIC VISCOSITY OF AT LEAST ABOUT 0.3, WHEN MEASURED AS A 1% SOLUTION IN CYCLOHEXANONE AT 50* C.
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) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |