Collapsible wheelchair

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12016804
APP PUB NO 20230085749A1
SERIAL NO

18058595

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Embodiments of the present disclosure provide a collapsible wheelchair, including: a movable chassis; a chair; a chair backrest; at least one first folding mechanism, installed between the movable chassis and the chair; and at least one second folding mechanism, connected between the chair and the chair backrest; where, the at least one first folding mechanism and the at least one second folding mechanism are connected in series and both have a four-rod linkage structure, and when the collapsible wheelchair is switched from a folded state to an open state or from the open state to the folded state, the at least one first folding mechanism and the at least one second folding mechanism are configured to move simultaneously. The collapsible wheelchair provided by the present disclosure is convenient in terms of the operation and easy to operate.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
JIANGSU BANGBANG INTELLIGENT TECHNOLOGY CO LTDBUILDING 1 NO 2 HONGREN ROAD TIANNING DISTRICT CHANGZHOU CITY JIANGSU PROVINCE 213000 CHANGZHOU CITY JIANGSU PROVINCE 213000
SHANGHAI BANGBANG ROBOTICS CO LTDROOM 501 BUILDING 3 NO 188 ZHONGCHEN ROAD SONGJIANG DISTRICT SHANGHAI 201600 201600

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Jianguo Shanghai, CN 169 2228
Li, Yongqiang Shanghai, CN 60 87
Liao, Xiangcheng Shanghai, CN 2 0
Liu, Canfeng Shanghai, CN 7 0
Liu, Jie Shanghai, CN 812 14130
Wang, Xiaodong Shanghai, CN 544 6681
Zhang, Zhefu Shanghai, CN 11 9

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Dec 25, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 25, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 25, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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