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US3311745A Expired / Lapsed US ⏱️ 0.0 years remaining

Controlled beam headlamp and the like

Assignee: Individual
•
Filing: 1964-03-19
•
Granted: 1967-03-28
•
Expires: 1984-03-19
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Abstract

No abstract record available.

Inventors

  • 👤 Gossner Elwin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:16
CPC Classifications
F; F21; F21V; F21V11/00; F21V11/16; F21S; F21S41/00; F21S41/30; F21S41/32; F21S41/321; F21S41/33; F21S41/334; F21S41/335; F21S41/337; F21S41/338; F21S41/39; F21S41/40; F21S41/43; F21S41/47; F21V13/00; F21V13/02; F21V13/10; F21V7/00; F21V7/04; F21V7/09; F21W; F21W2102/00; F21W2102/10; F21W2102/13; F21W2102/135; F21W2107/00; F21W2107/10; F21W2131/00; F21W2131/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 155 words
IN A LIGHT CONTROLLING DEVICE MINIMIZING GLARE FROM HEADLAMPS, OUTDOOR ILLUMINATING LAMPS AND THE LIKE, IN COMBINATION A RELATIVELY SHALLOW LAMP HOUSING DEFINING AN OPENING WHICH IS WIDER THAN THE DEPTH THEREOF AND HAVING DEPTH SUFFICIENT TO RESTRICT THE HORIZONTAL ANGLE OF LIGHT EMITTED FROM AND LIGHT SOURCE THEREIN, A LIGHT SOURCE DISPOSED WITHIN SAID HOUSING AT A POINT REARWARDLY OF SAID OPENING, A REFLECTOR IN BACK OF SAID LIGHT SOURCE RELATIVE TO SAID OPENING, A VERTICALLY CURVED GLASS IN SAID OPENING, AN UPPER LOUVER POSITION HORIZONTALLY AND ANGLED DOWNWARDLY AND OUTWARDLY ACROSS SAID OPENING BUT INSIDE SAID CURVED GLASS TO PREVENT THE DIRECT PASSAGE OF LIGHT ABOVE A DESIGNATED ANGLE BELOW THE HORIZONTAL, AND A LOWER LOUVER POSITIONED HORIZONTALLY ACROSS SAID OPENING ALSO INSIDE SAID CURVED GLASS TO PREVENT PASSAGE OF LIGHT AT A DESIGNATED ANGLE BELOW THE HORIZONTAL, AND TO PERMIT ONLY THE PASSAGE OF LIGHT IN A WIDE FLAT SHAFT ANGLED DOWNWARDLY.
Claim 2
Dependent Claim 155 words
IN A LIGHT CONTROLLING DEVICE MINIMIZING GLARE FROM HEADLAMPS, OUTDOOR ILLUMINATING LAMPS AND THE LIKE, IN COMBINATION A RELATIVELY SHALLOW LAMP HOUSING DEFINING AN OPENING WHICH IS WIDER THAN THE DEPTH THEREOF AND HAVING DEPTH SUFFICIENT TO RESTRICT THE HORIZONTAL ANGLE OF LIGHT EMITTED FROM AND LIGHT SOURCE THEREIN, A LIGHT SOURCE DISPOSED WITHIN SAID HOUSING AT A POINT REARWARDLY OF SAID OPENING, A REFLECTOR IN BACK OF SAID LIGHT SOURCE RELATIVE TO SAID OPENING, A VERTICALLY CURVED GLASS IN SAID OPENING, AN UPPER LOUVER POSITION HORIZONTALLY AND ANGLED DOWNWARDLY AND OUTWARDLY ACROSS SAID OPENING BUT INSIDE SAID CURVED GLASS TO PREVENT THE DIRECT PASSAGE OF LIGHT ABOVE A DESIGNATED ANGLE BELOW THE HORIZONTAL, AND A LOWER LOUVER POSITIONED HORIZONTALLY ACROSS SAID OPENING ALSO INSIDE SAID CURVED GLASS TO PREVENT PASSAGE OF LIGHT AT A DESIGNATED ANGLE BELOW THE HORIZONTAL, AND TO PERMIT ONLY THE PASSAGE OF LIGHT IN A WIDE FLAT SHAFT ANGLED DOWNWARDLY.

References Cited (Backward Citations)

US1362395A Cited
US1191650A Cited
US1186582A Cited
US1798083A Cited
US1793200A Cited
US2024084A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-27 1970-09-26 1971-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-27 1974-09-26 1975-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-27 1978-09-26 1979-03-28 $7700.00 Window Closed / Lapsed

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