Northrop P-61 Black Widow Patent

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  • 8/10/2019 Northrop P-61 Black Widow Patent

    1/3

    D e s . 1 4 4 , 2 1 1

    . K . NORTHROP ETAL

    AIRPLANE

    M a r c h 1 9 ,

    1 9 4 6 .

    Filed F e b . 7 , 1944 2 Sheet-Sheet 1

    b

  • 8/10/2019 Northrop P-61 Black Widow Patent

    2/3

    M a r c h 1 9 ,

    1 9 4 6 .

    J K NORTHROP E r

    A L

    ms 144 211

    AIR PLANE

    F i l e d

    Feb. 7 1 9 4 4

    A r r p R A / A n

  • 8/10/2019 Northrop P-61 Black Widow Patent

    3/3

    P a t e n t e d M a r . 1 9 , 1 9 4 6

    D e s . 1 4 4 , 2 1 1

    UNITED

    S T A T E S

    PATENT

    O F F IC E

    1 4 4 , 2 1 1

    DESIGN FOR AN AIRPLANE

    John K. N o r t h r o p , Walter J . C e r n y , an d Fr ed

    J .

    Baum

    Los A n g e l e s ,

    and

    A l b e r t M.

    S c h w a r t z ,

    P a l o s V e r d e s ,

    C a l i f . , a s s i g n o r s

    t o

    Northrop

    A i r

    c r a f t ,

    I n c . , Hawthorne

    C a l i f . , a c o r p o r a t i o n o f

    C a l i f o r n i a

    A p p l i c a t i o n February 7 , 1 9 4 4 , S e r i a l

    N o .

    1 1 2 , 5 0 7

    T e r m o f

    p a t e n t

    1 4

    y e a r s

    ( C l .

    D 7 1 - 1

    T o

    a l l whom t may concern:

    Be i t known that w e , Jo hn K. Northrop Walter

    J ,

    Cerny

    and

    F r e d

    J .

    Baum c i t i z e n s

    o f t h e United

    S t a t e s , r e s i d i n g i n

    Los

    A n g e l e s , i n t h e c o u n t y o f

    Los Angeles

    and S t a t e o f

    C a l i f o r n i a ,

    and A l b e r t

    M. Sc hwartz a

    c i t i z e n

    o f the United S t a t e s ,

    r e

    s i d i n g i n

    P a l o s

    V e r d e s , i n

    t h e county o f

    Los

    An

    g e l e s

    a n d State o f C a l i f o r n i a , have invented a

    new

    o r i g i n a l ,

    and

    ornamental Design f o r a n Air

    p l a n e , o f w h i c h

    t h e

    f o l l o w i n g

    i s a

    s p e c i ? c a t i o n ,

    r e f e r e n c e

    b e i n g h a d t o

    t h e accompanying draw

    i n g s , forming

    a p a r t

    t h e r e o f .

    F i g .

    1

    i s a p e r s p e c t i v e view o f a n a i r p l a n e

    s how

    i n g our n e w d e s i g n ;

    F i g . 2

    i s

    a

    s i d e

    e l e v a t i o n a l

    view w i t h landing

    g e a r e x t e n d e d ;

    F i g .

    3

    i s a p e r s p e c t i v e View l o o k i n g upwardly

    from underneath

    the

    a i r p l a n e ;

    F i g .

    4 i s

    a front e l e v a t i o n a l v i e w ,

    with landing

    gear s hown extended;

    and

    F i g . 5 i s

    a top

    plan v i e w .

    We l a i m :

    T h e

    ornamental

    design

    f o r

    a n a i r p l a n e ,

    as

    shown

    JOHN . NORTHROP.

    WALTER

    .

    CER NY.

    FRED

    . BAUM.

    ALBERT . SCHWARTZ.