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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.