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US3127597A Expired / Lapsed US ⏱️ 0.0 years remaining

Tool sales display theft alarm

Assignee: Individual
•
Filing: 1961-04-26
•
Granted: 1964-03-31
•
Expires: 1981-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Lewin Herman
  • 👤 Landa Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 06:00
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/14; G08B13/1409

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 297 words
AN ALARM SYSTEM COMPRISING: A SERIES OF FEMALE TWOPOLE ELECTRIC SERVICE OUTLET RECEPTACLES, EACH OF SAID RECEPTACLES COMPRISING A DIELECTRIC BASE HAVING GUIDES FOR GUIDING TWO PRONGS OF AN ELECTRIC SERVICE CORD PLUG WHEN THE LATTER IS PLUGGED INTO SAID RECEPTACLE, FIRST AND SECOND ELECTRIC SCREW TERMINALS FIXED ON OPPOSITE SIDES OF SAID BASE, TWO FLEXIBLE METALLIC ELECTRIC CONTACTS FIXED AT ONE END RESPECTIVELY ON SAID TERMINALS AND EXTENDING FREELY THEREFROM ALONGSIDE SAID GUIDES WHEREBY SAID PRONGS WILL BE GUIDED INTO ENGAGEMENT WITH AND FLEX FREE END PORTIONS OF SAID CONTACTS WHEN INSERTED INTO SAID RECEPTACLE, THEREBY MAKING ELECTRIC CONNECTION RESPECTIVELY BETWEEN SAID PRONGS AND SAID CONTACTS, THAT ONE OF SAID CONTACTS WHICH IS FIXED ON THE SECOND TERMINAL HAVING A REBENT J-SHAPED FREE END PORTION WHICH IS SO ENGAGED, A THIRD ELECTRIC TERMINAL FIXED ON SAID BASE, AND A THIRD CONTACT FIXED ON SAID THIRD TERMINAL AND EXTENDING WITHIN SAID J-SHAPED CONTACT END PORTION AFORESAID AND OUT OF CONTACT THEREWITH EXCEPTING WHEN SAID J-SHAPED CONTACT IS ENGAGED AND FLEXED BY INSERTION OF SAID PLUG INTO SAID RECEPTACLE, AT WHICH TIME SAID J-SHAPED CONTACT IS FLEXED AGAINST AND INTO ELECTRICAL CONNECTION WITH SAID THIRD CONTACT; TWO MAIN CIRCUIT LEADS L1 AND L2 FOR SUPPLYING CURRENT TO SAID RECEPTACLES, LEAD L1 CONNECTING TO THE FIRST TERMINALS OF ALL OF THE RECEPTACLES IN SAID SERIES, AND LEAD L2 CONNECTING TO THE SECOND TERMINAL OF THE FIRST RECEPTACLE IN SAID SERIES, THE THIRD TERMINAL OF EACH OF SAID RECEPTACLES, EXCEPTING THE LAST RECEPTACLE IN SAID SERIES, BEING CONNECTED TO THE SECOND TERMINAL OF THE NEXT FOLLOWING RECEPTACLE IN THE SERIES; AND A CURRENT RESPONSIVE ALARM DEVICE ENERGIZED BY AN ELECTRIC CIRCUIT WHICH DRAWS ITS CURRENT FROM LEAD L1 AND FROM THE THIRD TERMINAL OF THE LAST RECEPTACLE IN SAID SERIES.
Claim 2
Dependent Claim 297 words
AN ALARM SYSTEM COMPRISING: A SERIES OF FEMALE TWOPOLE ELECTRIC SERVICE OUTLET RECEPTACLES, EACH OF SAID RECEPTACLES COMPRISING A DIELECTRIC BASE HAVING GUIDES FOR GUIDING TWO PRONGS OF AN ELECTRIC SERVICE CORD PLUG WHEN THE LATTER IS PLUGGED INTO SAID RECEPTACLE, FIRST AND SECOND ELECTRIC SCREW TERMINALS FIXED ON OPPOSITE SIDES OF SAID BASE, TWO FLEXIBLE METALLIC ELECTRIC CONTACTS FIXED AT ONE END RESPECTIVELY ON SAID TERMINALS AND EXTENDING FREELY THEREFROM ALONGSIDE SAID GUIDES WHEREBY SAID PRONGS WILL BE GUIDED INTO ENGAGEMENT WITH AND FLEX FREE END PORTIONS OF SAID CONTACTS WHEN INSERTED INTO SAID RECEPTACLE, THEREBY MAKING ELECTRIC CONNECTION RESPECTIVELY BETWEEN SAID PRONGS AND SAID CONTACTS, THAT ONE OF SAID CONTACTS WHICH IS FIXED ON THE SECOND TERMINAL HAVING A REBENT J-SHAPED FREE END PORTION WHICH IS SO ENGAGED, A THIRD ELECTRIC TERMINAL FIXED ON SAID BASE, AND A THIRD CONTACT FIXED ON SAID THIRD TERMINAL AND EXTENDING WITHIN SAID J-SHAPED CONTACT END PORTION AFORESAID AND OUT OF CONTACT THEREWITH EXCEPTING WHEN SAID J-SHAPED CONTACT IS ENGAGED AND FLEXED BY INSERTION OF SAID PLUG INTO SAID RECEPTACLE, AT WHICH TIME SAID J-SHAPED CONTACT IS FLEXED AGAINST AND INTO ELECTRICAL CONNECTION WITH SAID THIRD CONTACT; TWO MAIN CIRCUIT LEADS L1 AND L2 FOR SUPPLYING CURRENT TO SAID RECEPTACLES, LEAD L1 CONNECTING TO THE FIRST TERMINALS OF ALL OF THE RECEPTACLES IN SAID SERIES, AND LEAD L2 CONNECTING TO THE SECOND TERMINAL OF THE FIRST RECEPTACLE IN SAID SERIES, THE THIRD TERMINAL OF EACH OF SAID RECEPTACLES, EXCEPTING THE LAST RECEPTACLE IN SAID SERIES, BEING CONNECTED TO THE SECOND TERMINAL OF THE NEXT FOLLOWING RECEPTACLE IN THE SERIES; AND A CURRENT RESPONSIVE ALARM DEVICE ENERGIZED BY AN ELECTRIC CIRCUIT WHICH DRAWS ITS CURRENT FROM LEAD L1 AND FROM THE THIRD TERMINAL OF THE LAST RECEPTACLE IN SAID SERIES.

References Cited (Backward Citations)

US643148A Cited
US2184359A Cited
US2419585A Cited
US2531625A Cited
US2799852A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-31 1967-09-30 1968-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-31 1971-09-30 1972-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-31 1975-09-30 1976-03-31 $7700.00 Window Closed / Lapsed

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