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US3416074A
Expired / Lapsed
US
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Multi-utility electrical circuit tester including a solenoid with armature indicating means
Assignee: Individual
•
Filing: 1966-12-20
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Granted: 1968-12-10
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Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Russell D Schoonover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:51
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/145; G01R19/165; G01R19/16566; G01R19/16576
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1433264A
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US2231660A
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US2632785A
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GB587036A
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US2469703A
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US2794167A
Cited
US3044051A
Cited
US3253215A
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US3134071A
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US3156863A
Cited
US3311907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |