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US3171109A Expired / Lapsed US ⏱️ 0.0 years remaining

Combined flashlight, fire alarm, and distress signal

Assignee: Individual
•
Filing: 1961-07-21
•
Granted: 1965-02-23
•
Expires: 1981-07-21
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Abstract

No abstract record available.

Inventors

  • 👤 Andrew L Appel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:47
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/005; F; F21; F21L; F21L2/00; F21V; F21V33/00; G08B17/10; G08B17/11; G08B17/113; G08B5/00; G08B5/22; G08B5/36; G08B5/38; Y; Y10; Y10S; Y10S362/00; Y10S362/802

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 245 words
IN COMBINATION WITH A CONVENTIONAL FLASHLIGH MECHANISM MOUNTED IN THE FORWARD END PORTION OF AN ELONGATED CYLINDRICAL CASING AND ENERGIZABLE BY A PAIR OF CONTIGUOUSLY DISPOSED STORAGE BATTERIES RESPONSIVE TO MANIPULATIONS OF A SWITCH ASSEMBLY, A FIRE ALARM AND DISTRESS SIGNAL ASSEMBLY OF THE CHARACTER DISCLOSED COMPRISING: A METALLIC HOUSING REMOVABLY THREADED ONTO THE REAR END PORTION OF SAID CASING; AN ALARM MECHANISM MOUNTED IN THE HOUSING, SAID MECHANISM INCLUDING A SOUND PRODUCING DEVICE, A STATIONARY CONTACT, AND A THEREWITH ASSOCIATED BIMETALLIC SWITCH BLADE THAT IS ANCHORED AT ONE END WITH THE FREE END PORTION OF SAID BLADE BIASED AWAY FROM THE STATIONARY CONTACT; MEANS FOR VARYING THE DISTANCE OBTAINING BETWEEN SAID FREE END OF THE BLADE AND THE STATIONARY CONTACT; MEANS PROVIDING A NORMALLY OPEN CIRCUIT FOR ENERGIZING THE SOUND PRODUCING DEVICE, SAID MEANS COMPRISING A STRIP OF CONDUCTIVE MATERIAL EXTENDING WITHIN SAID CASING BUT INSULATED THEREFROM FOR PASSING CURRENT FROM SAID BATTERIES TO THE STATIONARY CONTACT; A POINTED CONTACT ELEMENT OF HIGHLY CONDUCTIVE MATERIAL MOUNTED IN SAID FREE END PORTION OF THE BIMETALLIC BLADE; AND MANUALLY OPERABLE MEANS FOR EFFECTING ENGAGEMENTS OF SAID STATIONARY CONTACT AND SAID POINTED CONTACT TO CLOSE THE OPEN CIRCUIT AFORESAID WHEREBY TO CAUSE SAID SOUND PRODUCING DEVICE TO DIFFUSE ALARM SIGNALS IN STACCATO FASHION; SAID BIMETALLIC SWITCH BLADE BEING ADAPTED TO AUTOMATICALLY CLOSE SAID OPEN CIRCUIT IN CONSEQUENCE OF ABNORMAL AMBIENT TEMPERATURE CONDITIONS WHEREBY TO CAUSE SAID SOUND PRODUCING DEVICE TO DIFFUSE AN ALARM SIGNAL IN CONTINUOUS FASHION.
Claim 2
Dependent Claim 245 words
IN COMBINATION WITH A CONVENTIONAL FLASHLIGH MECHANISM MOUNTED IN THE FORWARD END PORTION OF AN ELONGATED CYLINDRICAL CASING AND ENERGIZABLE BY A PAIR OF CONTIGUOUSLY DISPOSED STORAGE BATTERIES RESPONSIVE TO MANIPULATIONS OF A SWITCH ASSEMBLY, A FIRE ALARM AND DISTRESS SIGNAL ASSEMBLY OF THE CHARACTER DISCLOSED COMPRISING: A METALLIC HOUSING REMOVABLY THREADED ONTO THE REAR END PORTION OF SAID CASING; AN ALARM MECHANISM MOUNTED IN THE HOUSING, SAID MECHANISM INCLUDING A SOUND PRODUCING DEVICE, A STATIONARY CONTACT, AND A THEREWITH ASSOCIATED BIMETALLIC SWITCH BLADE THAT IS ANCHORED AT ONE END WITH THE FREE END PORTION OF SAID BLADE BIASED AWAY FROM THE STATIONARY CONTACT; MEANS FOR VARYING THE DISTANCE OBTAINING BETWEEN SAID FREE END OF THE BLADE AND THE STATIONARY CONTACT; MEANS PROVIDING A NORMALLY OPEN CIRCUIT FOR ENERGIZING THE SOUND PRODUCING DEVICE, SAID MEANS COMPRISING A STRIP OF CONDUCTIVE MATERIAL EXTENDING WITHIN SAID CASING BUT INSULATED THEREFROM FOR PASSING CURRENT FROM SAID BATTERIES TO THE STATIONARY CONTACT; A POINTED CONTACT ELEMENT OF HIGHLY CONDUCTIVE MATERIAL MOUNTED IN SAID FREE END PORTION OF THE BIMETALLIC BLADE; AND MANUALLY OPERABLE MEANS FOR EFFECTING ENGAGEMENTS OF SAID STATIONARY CONTACT AND SAID POINTED CONTACT TO CLOSE THE OPEN CIRCUIT AFORESAID WHEREBY TO CAUSE SAID SOUND PRODUCING DEVICE TO DIFFUSE ALARM SIGNALS IN STACCATO FASHION; SAID BIMETALLIC SWITCH BLADE BEING ADAPTED TO AUTOMATICALLY CLOSE SAID OPEN CIRCUIT IN CONSEQUENCE OF ABNORMAL AMBIENT TEMPERATURE CONDITIONS WHEREBY TO CAUSE SAID SOUND PRODUCING DEVICE TO DIFFUSE AN ALARM SIGNAL IN CONTINUOUS FASHION.

References Cited (Backward Citations)

US674867A Cited
US2246581A Cited
US2650969A Cited
US2743334A Cited
US2810045A Cited
US2893344A Cited
US2954548A Cited
US2911637A Cited
US3015811A Cited
DE1091009B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-02-23 1968-08-24 1969-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-02-23 1972-08-24 1973-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-02-23 1976-08-24 1977-02-23 $7700.00 Window Closed / Lapsed

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