US3139562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage monitoring circuit
Assignee: Honeywell Inc
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Filing: 1960-10-17
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Granted: 1964-06-30
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Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 John C Freeborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/20; H02H3/202; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/2893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
APPARATUS FOR PROVIDING AN OUTPUT BETWEEN FIRST AND SECOND SELECTED INPUT CONDITIONS COMPRISING, IN COMBINATION: MEANS FOR SUPPLYING A CONTROL SIGNAL; FIRST AND SECOND VOLTAGE REFERENCE MEANS CONNECTED ACROSS SAID MEANS FOR SUPPLYING THE CONTROL SIGNAL, SAID FIRST AND SECOND VOLTAGE REFERENCE MEANS BEING ADAPTED TO SUPPLY FIRST AND SECOND INPUT SIGNALS RESPECTIVELY, SAID FIRST INPUT SIGNAL BEING OF A GREATER MAGNITUDE THAN SAID SECOND INPUT SIGNAL BETWEEN THE FIRST AND SAID SECOND SELECTED INPUT CONDITIONS;
Claim 2
Dependent Claim
76 words
APPARATUS FOR PROVIDING AN OUTPUT BETWEEN FIRST AND SECOND SELECTED INPUT CONDITIONS COMPRISING, IN COMBINATION: MEANS FOR SUPPLYING A CONTROL SIGNAL; FIRST AND SECOND VOLTAGE REFERENCE MEANS CONNECTED ACROSS SAID MEANS FOR SUPPLYING THE CONTROL SIGNAL, SAID FIRST AND SECOND VOLTAGE REFERENCE MEANS BEING ADAPTED TO SUPPLY FIRST AND SECOND INPUT SIGNALS RESPECTIVELY, SAID FIRST INPUT SIGNAL BEING OF A GREATER MAGNITUDE THAN SAID SECOND INPUT SIGNAL BETWEEN THE FIRST AND SAID SECOND SELECTED INPUT CONDITIONS;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |