The phrase "at a specified timeframe" is correct and usable in written English.
It can be used when referring to a particular period or deadline for an event or action.
Example: "The project must be completed at a specified timeframe to meet the client's expectations."
Alternatives: "within a designated period" or "during a defined timeframe."
Police were investigating the leaking of confidential police information at the time, and accessed the journalist's call records within a specified timeframe.
ICOs allow individuals to purchase organisation or startup specific tokens (cryptocurrency) within a specified timeframe.
Project-based compensation makes sense in some industries like professional services, where employees are assigned to achieve results during a specified timeframe on behalf of clients.
There's something in the US called Vision Zero, a commitment by mayors to achieve zero traffic fatalities in a specified timeframe.
To maintain satisfactory academic progress, students must achieve a required minimum grade point average (GPA), complete a minimum number of credit hours, and graduate within a specified timeframe.
I quickly learned new technical skills, designed my experiments and analyses to fit within a specified timeframe, and budgeted my internship funds for travel and research supplies.
To maintain satisfactory academic progress, students must achieve a required cumulative minimum grade point average (GPA), complete a minimum number of credit hours, and graduate within a specified timeframe.
H4 received the NG tubes NPSA guideline at the same time as the other sites (March 2011) and was provided with the same instructions by their local health authority – i.e., demonstrate evidence of implementation within a specified timeframe.
The internal responsiveness of a measure represents its ability to detect changes over a specified timeframe [ 28].
