Patent US2958843A successfully refreshed from Google Patents.
US2958843A
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Static grounding connection
Assignee: Northrop Grumman Corp
•
Filing: 1956-12-18
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Granted: 1960-11-01
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Expires: 1976-12-18
Abstract
No abstract record available.
Inventors
- 👤 Veron E Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:46
CPC Classifications
H; H05; H05F; H05F3/00; H05F3/02; B; B64; B64D; B64D45/00; B64D45/02; H01; H01R; H01R39/00; H01R39/64; H01R39/643
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1394426A
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US1520485A
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US2192943A
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US2221280A
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US2307592A
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US2319122A
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US2690541A
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US2719956A
Cited
US2724092A
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GB774220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |