(
1
of
1
)
Full text is not available for this patent. Click on "Images" button above to view full patent.
United States Patent
2,814,229
Issue Date:
November 26, 1957
Current U.S. Class:
84/327
; 984/124; 84/280; 984/111
Current CPC Class:
G10D 3/01 (20200201); G10G 5/005 (20130101)
Current International Class:
G10D 3/00 (20060101); G10D 3/18 (20060101)
* * * * *
![[US Patent & Trademark Office, Patent Full Text and Image Database]](/netaicon/PTO/patfthdr.gif)
![[Home]](/netaicon/PTO/home.gif)
![[Boolean Search]](/netaicon/PTO/boolean.gif)
![[Manual Search]](/netaicon/PTO/manual.gif)
![[Number Search]](/netaicon/PTO/number.gif)
![[Help]](/netaicon/PTO/help.gif)
![[Bottom]](/netaicon/PTO/bottom.gif)
![[View Shopp
ing Cart]](/netaicon/PTO/cart.gif)
![[Add to Shopping Cart]](/netaicon/PTO/order.gif)
![[Image]](/netaicon/PTO/image.gif)
![[Top]](/netaicon/PTO/top.gif)