US3457559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic annunciator means
Assignee: Individual
•
Filing: 1965-11-26
•
Granted: 1969-07-22
•
Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Bobby Gene Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:35
CPC Classifications
G; G08; G08B; G08B7/00; G08B7/06; G08B25/00; G08B25/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
ANNUNCIATOR MEANS FOR MONITORING CONDITIONS COMPRISING A CONDITION RESPONSIVE SWITCH DEVICE POSITIONED TO RESPOND TO A CONDITION BEING MONITORED, SAID SWITCH DEVICE GOING FROM AN INOPERATIVE MONITORING CONDITION TO AN OPERATIVE CONDITION IN RESPONSE TO THE OCCURRENCE OF A PREDETERMINED STATE OF THE CONDITION BEING MONITORED, CIRCUIT MEANS INCLUDING A BI-STABLE CIRCUIT CONNECTED TO BE TRIGGERED BY THE SWITCH DEVICE WHEN EVER SAID SWITCH DEVICE GOES TO ITS OPERATIVE CONDITION, SAID BI-STABLE CIRCUIT HAVING A FIRST CONTROLLABLE RECTIFIER ELEMENT NORMALLY IN A CONDUTING CONDITION, A SECOND CORNTROLLABLE RECTIFIER ELEMENT NORMALLY IN A NON-CONDUCTING CONDITION, AND MEANS FOR STORING A CHARGE, AN ALARM DEVICE CONNECTED IN THE CIRCUIT OF SAID SECOND RECTIFIER ELEMENT TO BE ENERGIZED WHENEVER SAID SECOND ELEMENT CONDUCTS, OCCURRENCES OF THE OPERATING CONDITION OF SAID SWITCH DEVICE DISSIPATING THE CHARGE STORED ON THE CHARGE STORAGE MEANS AND PRODUCING SIGNALS WHICH TRIGGER THE BI-STABLE CIRCUIT AND CAUSE THE CONDUCTING CONDITIONS OF SAID FIRST AND SECOND RECTIFIER ELEMENTS TO REVERSE, MEANS FOR THEREAFTER ALTERNATELY REVERSING THE CONDUCTING CONDITIONS OF THE SAID FIRST
Claim 2
Dependent Claim
172 words
ANNUNCIATOR MEANS FOR MONITORING CONDITIONS COMPRISING A CONDITION RESPONSIVE SWITCH DEVICE POSITIONED TO RESPOND TO A CONDITION BEING MONITORED, SAID SWITCH DEVICE GOING FROM AN INOPERATIVE MONITORING CONDITION TO AN OPERATIVE CONDITION IN RESPONSE TO THE OCCURRENCE OF A PREDETERMINED STATE OF THE CONDITION BEING MONITORED, CIRCUIT MEANS INCLUDING A BI-STABLE CIRCUIT CONNECTED TO BE TRIGGERED BY THE SWITCH DEVICE WHEN EVER SAID SWITCH DEVICE GOES TO ITS OPERATIVE CONDITION, SAID BI-STABLE CIRCUIT HAVING A FIRST CONTROLLABLE RECTIFIER ELEMENT NORMALLY IN A CONDUTING CONDITION, A SECOND CORNTROLLABLE RECTIFIER ELEMENT NORMALLY IN A NON-CONDUCTING CONDITION, AND MEANS FOR STORING A CHARGE, AN ALARM DEVICE CONNECTED IN THE CIRCUIT OF SAID SECOND RECTIFIER ELEMENT TO BE ENERGIZED WHENEVER SAID SECOND ELEMENT CONDUCTS, OCCURRENCES OF THE OPERATING CONDITION OF SAID SWITCH DEVICE DISSIPATING THE CHARGE STORED ON THE CHARGE STORAGE MEANS AND PRODUCING SIGNALS WHICH TRIGGER THE BI-STABLE CIRCUIT AND CAUSE THE CONDUCTING CONDITIONS OF SAID FIRST AND SECOND RECTIFIER ELEMENTS TO REVERSE, MEANS FOR THEREAFTER ALTERNATELY REVERSING THE CONDUCTING CONDITIONS OF THE SAID FIRST
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) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |