Family

Loading Family data...

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
DT SWISS INC	2493 INDUSTRIAL BOULEVARD GRAND JUNCTION CO 81505

International Classification(s)

• B60T:VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BR....

• 2001 Application Filing Year
• B60T Class
• 555 Applications Filed
• 239 Patents Issued To-Date
• 43.07 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jager, Gerrit	Pery, CH	10	99
# of filed Patents : 10 Total Citations : 99

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

• 5 Citation Count
• B60T Class

• 4.23 % this patent is cited more than
• 22 Age

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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

Full Text

US Patent No: 6644443

Transportation device, especially a wheelchair, with a braking system

---

Abstract

---

The invention relates to a device for transporting human beings, comprising a frame, at least one tire extending in a peripheral direction around a wheel with a certain amount of elasticity, and a braking system. The braking power of the braking system is substantially independent from the elasticity of the tires. The invention also relates to a method for arresting said transportation device.

---

 

---

Description

---

Claims

---

Claims data not available

---

Legal Events

 

• STCH2011
• FP2011
• LAPS2011
• REMI2011
• FPAY2007
• I2003
• AS2003
• F2001
• PD1998

Date	Code	Event	Description
Dec 12, 2011	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Nov 11, 2011	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Nov 11, 2011
Nov 11, 2011	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Jun 20, 2011	REMI	MAINTENANCE FEE REMINDER MAILED
Apr 25, 2007	FPAY	FEE PAYMENT	year of fee payment: 4
Nov 11, 2003	I	Issuance
Oct 30, 2003	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:DT SWISS AG;REEL/FRAME:014805/0627 Owner name: DT SWISS INC., CALIFORNIA Effective Date: Oct 30, 2003
Feb 28, 2001	F	Filing
Aug 31, 1998	PD	Priority Date