US3392332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Millivolt drop indicator having a current regulated power supply and means to protect the indicator against overvoltage
Assignee: Individual
•
Filing: 1963-03-21
•
Granted: 1968-07-09
•
Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Christensen William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:26
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/36; H; H02; H02H; H02H3/00; H02H3/20; H02H3/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN AN ELECTRONIC DEVICE FOR THE MEASUREMENT OF MILLIVOLT DROP, THE COMBINATION OF, A SOURCE OF CURRENT REGULATED POWER; A SET OF PROBES TO APPLY THE POWER TO A LOAD UNDER TEST WHOSE MILLIVOLT DROP IS TO BE MEASURED; MEANS INCLUDING SWITCH MEANS EXTERNAL TO SAID SOURCE OF POWER, SAID SWITCH MEANS COUPLING THE CURRENT REGULATED POWER SOURCE TO THE PROBES; SILICON CONTROLLED RECTIFIER MEANS RESPONSIVE TO VOLTAGE DROP ACROSS THE LOAD FOR OPENING THE SWITCH WHEN THE VOLTAGE DROP EXCEEDS A FIRST PRESCRIBED THRESHOLD
Claim 2
Dependent Claim
85 words
IN AN ELECTRONIC DEVICE FOR THE MEASUREMENT OF MILLIVOLT DROP, THE COMBINATION OF, A SOURCE OF CURRENT REGULATED POWER; A SET OF PROBES TO APPLY THE POWER TO A LOAD UNDER TEST WHOSE MILLIVOLT DROP IS TO BE MEASURED; MEANS INCLUDING SWITCH MEANS EXTERNAL TO SAID SOURCE OF POWER, SAID SWITCH MEANS COUPLING THE CURRENT REGULATED POWER SOURCE TO THE PROBES; SILICON CONTROLLED RECTIFIER MEANS RESPONSIVE TO VOLTAGE DROP ACROSS THE LOAD FOR OPENING THE SWITCH WHEN THE VOLTAGE DROP EXCEEDS A FIRST PRESCRIBED THRESHOLD
References Cited (Backward Citations)
US3163814A
Cited
US3223915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |