Patent US2441309A successfully refreshed from Google Patents.
US2441309A
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Strain insulator assembly
Assignee: Reliable Electric Co
•
Filing: 1945-03-31
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Granted: 1948-05-11
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Expires: 1965-03-31
Abstract
No abstract record available.
Inventors
- 👤 Cook John Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:46
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/02; H01B17/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T403/00; Y10T403/49; Y10T403/4983; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1006040A
Cited
US1006042A
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US1373576A
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US1167125A
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US1691005A
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US1782790A
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US2014441A
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US2202820A
Cited
CH216527A
Cited
GB551166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |