Patent US2990458A successfully refreshed from Google Patents.
US2990458A
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Electric conductor-hanger alining means
Assignee: HK Porter Co Inc
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Filing: 1957-01-22
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Granted: 1961-06-27
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Mageoch Harry Yale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:35
CPC Classifications
B; B60; B60M; B60M1/00; B60M1/30; B60M1/305; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44966; Y10T24/44974; Y10T403/00; Y10T403/57; Y10T403/5741
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US560098A
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US819149A
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US819537A
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US929026A
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US1398005A
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US1741804A
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US2132572A
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US2640114A
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DE817160C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |