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US4297564A Expired / Lapsed US ⏱️ 0.0 years remaining

Hair dryer

Assignee: Individual
•
Filing: 1978-11-29
•
Granted: 1981-10-27
•
Expires: 1998-11-29
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Abstract

Abstract A hair dryer which is to include a separate cold air outlet as well as the conventional hot air outlet. A baffle is mounted in conjunction with the cold air outlet and is matingly movable to close the cold air outlet or permit such to be opened.

Inventors

  • 👤 Robert R. Bartolac

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 11:59
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/04; A45D20/08; A45D20/10; A45D20/12

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 277 words
In combination with a hand held, portable hair dryer, said hair dryer having a housing, a motor operated fan mounted within said housing capable of moving air, said housing including a graspable handle, said graspable handle being readily capable of being held within one hand of the operator and said housing to be easily reversibly positioned, said handle including electric switch means to operate said motor operated fan; a first air outlet formed within said housing, an air heating element located within said first air outlet, air moved by said fan to be conducted through said first air outlet and discharged into the ambient, said first air outlet to discharge air in a first direction, the improvement comprising: a second air outlet formed within said housing, said second air outlet also to receive air from said fan and conduct such into the ambient, the location of said second air outlet being spaced from said first air outlet, said second air outlet to discharge air in a second direction substantially opposite to said first direction, said second air outlet being void of an air heating device so as to discharge only cool air; and means to close off said second air outlet, said means being manually movable between a closed position and an open position, said closed position not permitting conducting of air through said second air outlet and permitting the total volume of air moved by said motor operated fan to be discharged through said first air outlet, said open position permitting conducting of air through said second air outlet resulting in the dividing of the airflow between said first air outlet and said second air outlet.
Claim 2
Dependent Claim 277 words
In combination with a hand held, portable hair dryer, said hair dryer having a housing, a motor operated fan mounted within said housing capable of moving air, said housing including a graspable handle, said graspable handle being readily capable of being held within one hand of the operator and said housing to be easily reversibly positioned, said handle including electric switch means to operate said motor operated fan; a first air outlet formed within said housing, an air heating element located within said first air outlet, air moved by said fan to be conducted through said first air outlet and discharged into the ambient, said first air outlet to discharge air in a first direction, the improvement comprising: a second air outlet formed within said housing, said second air outlet also to receive air from said fan and conduct such into the ambient, the location of said second air outlet being spaced from said first air outlet, said second air outlet to discharge air in a second direction substantially opposite to said first direction, said second air outlet being void of an air heating device so as to discharge only cool air; and means to close off said second air outlet, said means being manually movable between a closed position and an open position, said closed position not permitting conducting of air through said second air outlet and permitting the total volume of air moved by said motor operated fan to be discharged through said first air outlet, said open position permitting conducting of air through said second air outlet resulting in the dividing of the airflow between said first air outlet and said second air outlet.
Claim 3
Dependent Claim 19 words
The hair dryer as defined in claim 1 wherein: said first direction being substantially opposite to said second direction.
Claim 4
Dependent Claim 24 words
The hair dryer as defined in claim 2 wherein: said graspable handle being located intermediate said first air outlet and said second air outlet.
Claim 5
Dependent Claim 49 words
The hair dryer as defined in claim 3 wherein: said means to close off said second air outlet comprises a baffle member which is capable of movement across said second air outlet to close such, said baffle member being slidably movable within a pair of spaced apart guide members.

References Cited (Backward Citations)

US1339510A Cited
US1998159A Cited
GB493258A Cited
US3272966A Cited
US3674980A Cited
US3943329A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-10-26 1985-04-27 1985-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-10-26 1989-04-27 1989-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-10-26 1993-04-27 1993-10-27 $7700.00 Window Closed / Lapsed

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