"no specific time frame" is a grammatically correct phrase and is commonly used in written English.
It refers to a situation or action that does not have a set or definite timeline. Example: The project does not have a specific time frame for completion, as it is dependent on funding and resources.
No specific time frame was set for a formal American response to the plan, which was formulated to restart Israeli-Palestinian talks.
The senior government official said there was no specific time frame for new six-party negotiations, although he acknowledged that South Korea was coming under increasing pressure to hold new talks.
I typed in $200 as my spending limit on a search in August, with no specific time frame, and was shown a map showing, among other fares, a $120 round-trip flight to Los Angeles on Delta and a $200 round-trip flight to San Francisco.
Fujitsu is working on getting this device to the market in the next few months, though no specific time frame was given.
This review covers the peer-reviewed articles between 1954 and 2016, retrieved from Pubmed, ScienceDirect, SciFinder, Wikipedia and Baidu, using "Carissa" as search term ("all fields") and with no specific time frame set for search.
At the time of the announcement, there was no specific time frame given as to when the companies would need to be in compliance, but California Attorney General Kamal Harris said her office would revisit the situation in six months time.
Speaking at a conference of the nation's district attorneys, Mr. Mueller did not identify which terrorist groups might be considering such attacks in the United States, nor did he provide any specific time frame when they might occur.
We won't really necessarily stick to any specific time frame, we sort of jump around within it.
They were not samples from the same people, stored in the same boxes, nor collected during any specific time frame.
Symptoms and impact of these are referred to as the perception of the disease, in general, with no reference to a specific time frame in the INQoL ('at the moment').
Unfortunately, most of the predictions you see in the media lack the specificity necessary to test them, like a specific time frame or probability, Tetlock says.
