The phrase "available three weeks" is not correct as it lacks a preposition or article for clarity.
You can use it in contexts where you want to indicate the duration of availability, but it should be rephrased for grammatical accuracy.
Example: "The product will be available for three weeks starting next Monday."
Alternatives: "available for three weeks" or "accessible for three weeks."
Program details are available two weeks ahead by telephone or at the box office.
Some contenders need closers, and Benitez and the Texas Rangers' Ugueth Urbina are among the few available five weeks before the trading deadline.
Dr. Kinney said some science observations from Hubble should resume about three weeks after the refit and the first test pictures from the new survey camera should be available five weeks after the service mission.
When I received an e-mail from Robert informing me that the iPad app of the project had just been made available — two weeks in advance of Bloomsday (June 16th) — I swooned.
"Hopefully I'll be available two weeks before but definitely one week before.
In China, if you want to buy a legitimate DVD of a movie made by Paramount or Warner Brothers, it'll soon cost you only $3 and will be available two weeks after the movie's theatrical release.
The first episode was made available two weeks before the series' broadcast premiere (on February 16 , 2012 on Hulu, YouTube (its first seven minutes), and the iTunes Store.
A third useful attribute of the demographics assay is that results become available two weeks earlier, compared to cyst counts at 30 days post-infection.
Whether the predictor is a multivariate model or the number of absences alone, all of the data needed are available six weeks before the first follow-up questionnaire is sent.
On Tuesday night, a company called Uber, which entered the yellow taxi-hailing market last year before being rebuffed by the city, said that its service was available, one week after a lawsuit challenging the use of such apps was dismissed.
