Patent US1827649A successfully refreshed from Google Patents.
Patent US3271753A successfully refreshed from Google Patents.
US3271753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monitoring circuit for detecting convergence of a plurality of voltage levels
Assignee: International Standard Electric Corp
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Filing: 1963-08-19
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Granted: 1966-09-06
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Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Luce Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:05
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/097
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A MONITORING SYSTEM COMPRISING A FIRST VOLTAGE SOURCE, A SECOND VOLTAGE SOURCE, A PLURALITY OF LOADS, A FIRST TERMINAL OF A FIRST ONE OF SAID LOAD BEING CONNECTED THROUGH SWITCHING MEANS TO SAID FIRST VOLTAGE SOURCE, A SECOND TERMINAL OF SAID FIRST ONE OF SAID LOADS BEING CONNECTED TO SAID SECOND VOLTAGE SOURCE, A FIRST TERMINAL OF A SECOND ONE OF SAID LOADS BEING CONNECTED THROUGH SWITCHING MEANS TO SAID FIRST VOLTAGE SOURCE, A SECOND TERMINAL OF SAID SECOND ONE OF SAID LOADS BEING CONNECTED TO SAID SECOND VOLTAGE SOURCE, AND A CONDUCTIVE PATH FROM SAID FIRST TERMINAL OF SAID FIRST LOAD TO SAID SECOND VOLTAGE SOURCE, SAID CONDUCTIVE PATH COMPRISING AN IMPEDANCE IN SERIES WITH A PARALLEL COMBINATION OF BRANCHES, A FIRST ONE OF SAID BRANCHES INCLUDING FIRST CURRENT-CONTROL MEANS IN SERIES WITH A UTILIZATION DEVICE, AND A SECOND ONE OF SAID BRANCHES INCLUDING SECOND CURRENT-CONTROL MEANS CONNECTED TO SAID FIRST TERMINAL OF SAID SECOND ONE OF SAID LOADS, SAID SECOND CURRENT CONTROL MEANS BEING SHUNTED BY AN IMPEDANCE.
Claim 2
Dependent Claim
170 words
A MONITORING SYSTEM COMPRISING A FIRST VOLTAGE SOURCE, A SECOND VOLTAGE SOURCE, A PLURALITY OF LOADS, A FIRST TERMINAL OF A FIRST ONE OF SAID LOAD BEING CONNECTED THROUGH SWITCHING MEANS TO SAID FIRST VOLTAGE SOURCE, A SECOND TERMINAL OF SAID FIRST ONE OF SAID LOADS BEING CONNECTED TO SAID SECOND VOLTAGE SOURCE, A FIRST TERMINAL OF A SECOND ONE OF SAID LOADS BEING CONNECTED THROUGH SWITCHING MEANS TO SAID FIRST VOLTAGE SOURCE, A SECOND TERMINAL OF SAID SECOND ONE OF SAID LOADS BEING CONNECTED TO SAID SECOND VOLTAGE SOURCE, AND A CONDUCTIVE PATH FROM SAID FIRST TERMINAL OF SAID FIRST LOAD TO SAID SECOND VOLTAGE SOURCE, SAID CONDUCTIVE PATH COMPRISING AN IMPEDANCE IN SERIES WITH A PARALLEL COMBINATION OF BRANCHES, A FIRST ONE OF SAID BRANCHES INCLUDING FIRST CURRENT-CONTROL MEANS IN SERIES WITH A UTILIZATION DEVICE, AND A SECOND ONE OF SAID BRANCHES INCLUDING SECOND CURRENT-CONTROL MEANS CONNECTED TO SAID FIRST TERMINAL OF SAID SECOND ONE OF SAID LOADS, SAID SECOND CURRENT CONTROL MEANS BEING SHUNTED BY AN IMPEDANCE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |