US3169239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaking receptacle
Assignee: Individual
•
Filing: 1961-10-30
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Granted: 1965-02-09
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Robert E Lacey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:49
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/16; H01H9/161; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/713
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
265 words
AN ELECTRIC OUTLET COMPRISING FIRST MEANS FOR CONNECTING SAID OUTLET TO A SOURCE OF ELECTRIC POWER, SECOND MEANS FOR CONNECTING A POWER CONSUMING ELECTRIC APPLIANCE TO SAID OUTLET, AN ELECTRIC CIRCUIT CONNECTED BETWEEN SAID FIRST MEANS AND SAID SECOND MEANS TO PERMIT AN ELECTRICAL CURRENT FLOW THEREBETWEEN, A BI-METALLIC CONDUCTIVE ELEMENT IN SERIES IN SAID CIRCUIT AND RESPONSIVE TO CURRENT FLOW THERETHROUGH FOR CAUSING CORRESPONDING DEFORMING MOVEMENTS THEREIN, A SNAP-ACTION ELECTRIC SWITCH OPERATED BY AND CONNECTED IN SERIES WITH SAID ELEMENT BETWEEN SAID FIRST AND SECOND MEANS AND BEING OPERATIVE BETWEEN A CLOSED POSITION AND AN OPENED POSITION RESPONSIVE TO DIFFERENT POSITIONS OF SAID ELEMENT, SAID ELEMENT NORMALLY BEING POSITIONED TO MAINTAIN SAID ELECTRIC SWITCH CLOSED AND BEING FLEXED INTO AN ABNORMAL POSITION RESPONSIVE TO A CURRENT FLOW IN EXCESS OF A PREDETERMINED RATE THEREBY TO OPERATE SAID ELECTRIC SWITCH INTO SAID OPENED POSITION AND INTERRUPT SAID EXCESSIVE CURRENT FLOW THERETHROUGH, AN ELECTRICAL IMPEDANCE AND ELECTRICAL SIGNAL MEANS ALSO CONNECTED IN SERIES WITH SAID ELEMENT BETWEEN SAID FIRST AND SECOND MEANS, THE COMBINED IMPEDANCE OF SAID ELECTRICAL SIGNAL MEANS AND SAID ELECTRICAL IMPEDANCE BEING SUFFICIENTLY HIGH TO CAUSE A SIGNAL INDICATION ONLY WHEN THERE IS ELECTRICAL SWITCH, THE ACTIVATING CURRENT CONNECTION AT SAID ELECTRICAL SIGNAL MEANS ALSO FLOWING FLOW THROUGH THE ELECTRICAL WHEN SAID SWITCH IS IN OPEN POSITION AND WHEN SAID ELECTRICAL APPLIANCE IS CONNECTED TO TION AND WHEN SAID ELECTRICAL APPLIANCE IS CONNECTED TO SAID OUTLET, WHEREBY THE BI-METALLIC CONDUCTIVE ELEMENT IS RESTRAINED IN SAID ABNORMAL POSITION FOR AN APPRECIABLE TIME AND THERE IS A TIME DELAY IN RE-CLOSING SAID SNAPACTION ELECTRICAL SWITCH.
Claim 2
Dependent Claim
265 words
AN ELECTRIC OUTLET COMPRISING FIRST MEANS FOR CONNECTING SAID OUTLET TO A SOURCE OF ELECTRIC POWER, SECOND MEANS FOR CONNECTING A POWER CONSUMING ELECTRIC APPLIANCE TO SAID OUTLET, AN ELECTRIC CIRCUIT CONNECTED BETWEEN SAID FIRST MEANS AND SAID SECOND MEANS TO PERMIT AN ELECTRICAL CURRENT FLOW THEREBETWEEN, A BI-METALLIC CONDUCTIVE ELEMENT IN SERIES IN SAID CIRCUIT AND RESPONSIVE TO CURRENT FLOW THERETHROUGH FOR CAUSING CORRESPONDING DEFORMING MOVEMENTS THEREIN, A SNAP-ACTION ELECTRIC SWITCH OPERATED BY AND CONNECTED IN SERIES WITH SAID ELEMENT BETWEEN SAID FIRST AND SECOND MEANS AND BEING OPERATIVE BETWEEN A CLOSED POSITION AND AN OPENED POSITION RESPONSIVE TO DIFFERENT POSITIONS OF SAID ELEMENT, SAID ELEMENT NORMALLY BEING POSITIONED TO MAINTAIN SAID ELECTRIC SWITCH CLOSED AND BEING FLEXED INTO AN ABNORMAL POSITION RESPONSIVE TO A CURRENT FLOW IN EXCESS OF A PREDETERMINED RATE THEREBY TO OPERATE SAID ELECTRIC SWITCH INTO SAID OPENED POSITION AND INTERRUPT SAID EXCESSIVE CURRENT FLOW THERETHROUGH, AN ELECTRICAL IMPEDANCE AND ELECTRICAL SIGNAL MEANS ALSO CONNECTED IN SERIES WITH SAID ELEMENT BETWEEN SAID FIRST AND SECOND MEANS, THE COMBINED IMPEDANCE OF SAID ELECTRICAL SIGNAL MEANS AND SAID ELECTRICAL IMPEDANCE BEING SUFFICIENTLY HIGH TO CAUSE A SIGNAL INDICATION ONLY WHEN THERE IS ELECTRICAL SWITCH, THE ACTIVATING CURRENT CONNECTION AT SAID ELECTRICAL SIGNAL MEANS ALSO FLOWING FLOW THROUGH THE ELECTRICAL WHEN SAID SWITCH IS IN OPEN POSITION AND WHEN SAID ELECTRICAL APPLIANCE IS CONNECTED TO TION AND WHEN SAID ELECTRICAL APPLIANCE IS CONNECTED TO SAID OUTLET, WHEREBY THE BI-METALLIC CONDUCTIVE ELEMENT IS RESTRAINED IN SAID ABNORMAL POSITION FOR AN APPRECIABLE TIME AND THERE IS A TIME DELAY IN RE-CLOSING SAID SNAPACTION ELECTRICAL SWITCH.
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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) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |