Warranty extension after replacement?

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Locksmith / Steelworking / Metalworking
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Bob, I sent a tool in for repair at the start of January, I was told the tool could not be repaired and would be replaced. The replacement arrived today but the paperwork says my warranty is only valid until the existing date. Should the warranty not be extended by 2 months as it has taken 9 weeks or so for bosch to replace the tool? Thanks