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Details for Patent: 6,955,496

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Summary for Patent: 6,955,496

Title: Road marker
Abstract:A reflective road marker (10, 48) to be mounted on a road surface to indicate the position of traffic control lines on that surface. The road marker has a base (14, 62) which can be secured to the road surface by adhesive. An resilient support (20, 50) is secured to the base and supports light reflectors (24, 68) at an acute angle to the road surface. The support allows the reflectors to be deflected resiliently towards the base in response to passage of a vehicle tyre over the road marker. To prevent damage to the reflectors means is provided to prevent ingress of solid particles between the reflector and the base. In the preferred embodiment, the support is provided by a hollow diaphragm of a resilient material.
Inventor(s): Burchell; Shaun (Selcourt 1559, ZA)
Application Number:10/477,808
Patent Claim Types:
see list of patent claims
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 13th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Number Approval Date Type RLD Patent No. Product Substance Delist_Flag Patent Expiration Patented / Exclusive Use
Boehringer Ingelheim
olodaterol hydrochloride; tiotropium bromide
SPRAY, METERED;INHALATION206756001May 21, 2015RXYes6,955,496YFeb 23, 2020
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Premature patent expiration for: 6,955,496

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
6,955,496 October 18, 2009

Foreign Priority and PCT Information for Patent: 6,955,496

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
South Africa2001/3994May 16, 2001
South Africa2001/6976Aug 23, 2001
PCT Information
PCT FiledDecember 07, 2001PCT Application Number:PCT/IB01/02334
PCT Publication Date:November 21, 2002PCT Publication Number: WO02/09291

International Patent Family for Patent: 6,955,496

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
South Africa200308903<subscribe>
European Patent Office1395710<subscribe>
World Intellectual Property Organization (WIPO)02092915<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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