US3112475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annunciator system
Assignee: Ametek Inc
•
Filing: 1958-01-02
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Granted: 1963-11-26
•
Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Alessio Sergio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:22
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/14; G08B1/00; G08B1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN ANNUNCIATOR CIRCUIT INCLUDING CONDITION-RESPONSIVE MEANS HAVING NORMAL AND ABNORMAL INDICATING CONDITIONS WHEN THE VARIABLE BEING MONITORED IS RESPECTIVELY NORMAL AND ABNORMAL, VISUAL ALARM MEANS FOR RESPECTIVELY INDICATING THE NORMAL AND ABNORMAL CONDITIONS OF THE VARIABLE, BISTABLE CONTROL MEANS FOR OPERATING SAID VISUAL ALARM MEANS TO SAID ABNORMAL INDICATING CONDITION AND HAVING OPPOSITE STABLE STATES OF OPERATION AND ADAPTED TO BE TRIGGERED TO ONE OF SAID STABLE STATES UPON RECEIVING A PULSATION OF A GIVEN POLARITY AND MAGNITUDE, SAID VISUAL ALARM MEANS BEING OPERATED TO SAID ALARM INDICATING CONDITIONS WHEN SAID BISTABLE CONTROL MEANS IS IN SAID ONE STABLE STATE OF OPERATION, A SOURCE OF PULSES HAVING A MAGNITUDE WHICH TRIGGERS SAID BISTABLE CONTROL MEANS INTO SAID ONE STABLE STATE OF OPERATION, MEANS FORMING A CIRCUIT WITH SAID CONDITION-RESPONSIVE MEANS AND SAID SOURCE OF PULSES WHEREIN PULSES OF PROPER POLARITY AND MAGNITUDE ARE PROVIDED ACROSS A PAIR OF TERMINALS WHEN SAID CONDITION-RESPONSIVE MEANS IS IN ITS ABNORMAL INDICATING POSI-
Claim 2
Dependent Claim
159 words
AN ANNUNCIATOR CIRCUIT INCLUDING CONDITION-RESPONSIVE MEANS HAVING NORMAL AND ABNORMAL INDICATING CONDITIONS WHEN THE VARIABLE BEING MONITORED IS RESPECTIVELY NORMAL AND ABNORMAL, VISUAL ALARM MEANS FOR RESPECTIVELY INDICATING THE NORMAL AND ABNORMAL CONDITIONS OF THE VARIABLE, BISTABLE CONTROL MEANS FOR OPERATING SAID VISUAL ALARM MEANS TO SAID ABNORMAL INDICATING CONDITION AND HAVING OPPOSITE STABLE STATES OF OPERATION AND ADAPTED TO BE TRIGGERED TO ONE OF SAID STABLE STATES UPON RECEIVING A PULSATION OF A GIVEN POLARITY AND MAGNITUDE, SAID VISUAL ALARM MEANS BEING OPERATED TO SAID ALARM INDICATING CONDITIONS WHEN SAID BISTABLE CONTROL MEANS IS IN SAID ONE STABLE STATE OF OPERATION, A SOURCE OF PULSES HAVING A MAGNITUDE WHICH TRIGGERS SAID BISTABLE CONTROL MEANS INTO SAID ONE STABLE STATE OF OPERATION, MEANS FORMING A CIRCUIT WITH SAID CONDITION-RESPONSIVE MEANS AND SAID SOURCE OF PULSES WHEREIN PULSES OF PROPER POLARITY AND MAGNITUDE ARE PROVIDED ACROSS A PAIR OF TERMINALS WHEN SAID CONDITION-RESPONSIVE MEANS IS IN ITS ABNORMAL INDICATING POSI-
References Cited (Backward Citations)
US2000074A
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US2600132A
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US2709249A
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US2666151A
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US2786147A
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US2760085A
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US2760086A
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US2987708A
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US2777076A
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US2832948A
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US2825894A
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US2931018A
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US2917731A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |