Patent US2795664A successfully refreshed from Google Patents.
US2795664A
Expired / Lapsed
US
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Test adapter for measuring current and voltage in electron tubes and electric cable connectors
Assignee: Individual
•
Filing: 1953-08-21
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Granted: 1957-06-11
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Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin S Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:15
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/145; G01R19/155; H; H01; H01J; H01J9/00; H01J9/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303464A
Cited
US950107A
Cited
US1819805A
Cited
US1928345A
Cited
DE691333C
Cited
AT172024B
Cited
US2664475A
Cited
US2609409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |