Patent US2580244A successfully refreshed from Google Patents.
US2580244A
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US
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Mineral insulated conductor workpiece
Assignee: Individual
•
Filing: 1947-10-15
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Granted: 1951-12-25
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Expires: 1967-10-15
Abstract
No abstract record available.
Inventors
- 👤 Roberts Edwin Gilber Llewellyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:56
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49808; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12264; Y10T428/12271; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1192457A
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US1157916A
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US1279252A
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US1809089A
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US1993580A
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US2123778A
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US2091839A
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US2279726A
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US2431474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |