Patent US2530835A successfully refreshed from Google Patents.
US2530835A
Expired / Lapsed
US
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Method of making insulating covers for bus bars
Assignee: Taylor Fibre Co
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Filing: 1947-07-29
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Granted: 1950-11-21
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Expires: 1967-07-29
Abstract
No abstract record available.
Inventors
- 👤 George J Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:56
CPC Classifications
H; H01; H01B; H01B7/00; H01B13/00; H01B13/06; H01B13/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1052106A
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US2069891A
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US2183811A
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US2298748A
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US2312227A
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US2431085A
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US2470599A
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US2439859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |