US3430135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic circuit fault tester for multiple circuits including means responsive to blank terminals at ends of the circuits under test
Assignee: ROBERT D MULLEN
•
Filing: 1964-03-05
•
Granted: 1969-02-25
•
Expires: 1984-03-05
Abstract
No abstract record available.
Inventors
- 👤 Robert D Mullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:43
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/50; G01R31/58
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
AN AUTOMATIC CIRCUIT TESTER, COMPRISING SWITCH MEANS FOR CONNECTING A DETECTOR SUCCESSIVELY TO CORRESPONDING TERMINALS AT OPPOSITE ENDS OF THE CIRCUIT BEING TESTED AND CONTROL MEANS RESPONSIVE TO CONNECTION OF SAID SWITCH MEANS TO A BLANK TERMINAL AT ONE END OF SAID CIRCUIT, CORRESPONDING TO A MULTIPLE CIRCUIT LEG AT THE OPPOSITE END, FOR CONNECTING SAID DETECTOR BETWEEN SAID MULTIPLE CIRCUIT LEG AND AN ADDITIONAL MULTIPLE CIRCUIT LEG AT SAID OPPOSITE END.
References Cited (Backward Citations)
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US2699528A
Cited
US2852737A
Cited
US2849677A
Cited
US2849678A
Cited
US2985819A
Cited
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Cited
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Cited
US3217244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |