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Serving leading biopharmaceutical companies globally:

US Department of Justice
Cantor Fitzgerald
Johnson and Johnson
Express Scripts
Daiichi Sankyo

Generated: November 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,653,517

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Summary for Patent: 5,653,517

Title: Process and system for determination of friction/slip characteristics of road vehicle tires
Abstract:For the determination of the friction/slip characteristics of the tires of a road vehicle which is equipped with an antilock system designed for an individual wheel control, in an initial phase of a controlled braking, only the wheel brake of an individual vehicle wheel is acted upon by brake pressure and the latter is dimensioned so that the result is the initial retardation in accordance with the driver's wish. During this initial test phase of the braking, the absolute brake slip .lambda..sub.B as well as the friction utilization .mu..sub.B linked therewith is continuously determined as soon as, as a result of just the braking of the test wheel, the vehicle retardation z increases no further and/or the braked vehicle wheel is more strongly retarded than corresponds to a predetermined threshold value, the test braking is interrupted and the braking is continued by pressure action on the further vehicle wheels; corresponding test braking phases are carried out in cyclic sequence for all guidance wheels.
Inventor(s): Burckhardt; Manfred (Waiblingen, DE), Eilert; Gerd (Schwaikheim, DE), Freitag; Rainer (Nuertingen, DE), Mueller; Armin (Backnang, DE), Schoeb; Reinhold (Filderstadt, DE), Spiecker; Rainer (Kernen, DE), Kazan; Sinan (Esslingen, DE), Zimmer; Richard (Fellbach, DE)
Assignee: Mercedes-Benz AG (DE)
Application Number:08/610,480
Patent Claim Types:
see list of patent claims
Process; Device;

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Foreign Priority and PCT Information for Patent: 5,653,517

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany42 00 046.7Jan 3, 1992

International Patent Family for Patent: 5,653,517

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany4200046► Subscribe
Germany59300429► Subscribe
Germany59300959► Subscribe
European Patent Office0618867► Subscribe
European Patent Office0618868► Subscribe
Japan2554309► Subscribe
Japan2594510► Subscribe
JapanH07501771► Subscribe
JapanH07501772► Subscribe
World Intellectual Property Organization (WIPO)9312959► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Chinese Patent Office
Daiichi Sankyo
Federal Trade Commission

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