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US2744237A
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Electrical conductor continuity test apparatus
Assignee: Boeing Co
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Filing: 1952-01-14
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Granted: 1956-05-01
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Expires: 1972-01-14
Abstract
No abstract record available.
Inventors
- 👤 Alexander F G Polcuch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:23
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/50; G01R31/54; G01R31/52; H; H01; H01H; H01H85/00; H01H85/02; H01H2085/0216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US659357A
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US1893074A
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US2404047A
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US2466079A
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US2580192A
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US2586125A
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US2589465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |