US Patent No: D515381

Number of patents in Portfolio can not be more than 2000

Electric drill

Stats

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Importance

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Abstract

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
WINSOURCE INDUSTRIES LIMITEDHONG KONG9

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ng, David Wai Wah Hong Kong, CN 13 128

Cited Art

Patent Info (Count) # Cites Year
 
BLACK & DECKER INC. (4)
6,041,603 Internal combustion fastener driving tool accelerator plate 10 1997
6,308,378 Frictional gripping arrangement for a power tool handle 87 2000
D479456 Drill 20 2002
D498127 Pneumatic fastener 13 2003
 
MOBILETRON ELECTRONICS CO., LTD. (2)
2003/0002,934 Power hand drill outer shell arrangement 9 2001
6,840,335 Electric power tool 38 2003
 
ONE WORLD TECHNOLOGIES LIMITED (2)
D421883 Cordless electric drill 62 1998
D428320 Driver drill 59 1999
 
ATLAS COPCO ELECTRIC TOOLS GMBH (1)
D460907 Cordless screwdriver 14 2001
 
HITACHI KOKI CO., LTD. (1)
D496843 Portable electric driver drill 28 2004
 
POSITEC POWER TOOLS (SUZHOU) CO., LTD. (1)
D504298 Cordless drill 20 2003
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
D409467 Electric drill 36 1998

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
BLACK & DECKER INC. (5)
D557581 Cordless drill 5 2006
D609072 Drill 3 2008
D587084 Hammer drill 2 2008
D593831 Drill 13 2008
D587085 Corded drill 0 2008
 
MAKITA CORPORATION (1)
D527971 Portable electric drill 25 2006
 
MILWAUKEE ELECTRIC TOOL CORPORATION (1)
D580725 Power tool, such as a drill 1 2006
 
NANJING CHERVON INDUSTRY CO., LTD. (1)
D565374 Drill 5 2006

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 21, 2013
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 21, 2017
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00