Patent US2531183A successfully refreshed from Google Patents.
US2531183A
Expired / Lapsed
US
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Means for grounding cables
Assignee: Individual
•
Filing: 1945-01-23
•
Granted: 1950-11-21
•
Expires: 1965-01-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Wisner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:51
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/58; H01R4/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US224579A
Cited
US231085A
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GB190328623A
Cited
FR339413A
Cited
GB190710406A
Cited
US1288303A
Cited
US1743888A
Cited
US1608184A
Cited
US1927045A
Cited
FR731930A
Cited
US2293839A
Cited
US2417260A
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 |