US1333030A - Flash-light apparatus - Google Patents

Flash-light apparatus Download PDF

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Publication number
US1333030A
US1333030A US218199A US21819918A US1333030A US 1333030 A US1333030 A US 1333030A US 218199 A US218199 A US 218199A US 21819918 A US21819918 A US 21819918A US 1333030 A US1333030 A US 1333030A
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US
United States
Prior art keywords
flash
light apparatus
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US218199A
Inventor
William E Mayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US218199A priority Critical patent/US1333030A/en
Application granted granted Critical
Publication of US1333030A publication Critical patent/US1333030A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
US218199A 1918-02-20 1918-02-20 Flash-light apparatus Expired - Lifetime US1333030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US218199A US1333030A (en) 1918-02-20 1918-02-20 Flash-light apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US218199A US1333030A (en) 1918-02-20 1918-02-20 Flash-light apparatus

Publications (1)

Publication Number Publication Date
US1333030A true US1333030A (en) 1920-03-09

Family

ID=22814137

Family Applications (1)

Application Number Title Priority Date Filing Date
US218199A Expired - Lifetime US1333030A (en) 1918-02-20 1918-02-20 Flash-light apparatus

Country Status (1)

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US (1) US1333030A (en)

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