2

Sounds like the call from the examiner was not a formal action, so there is not formal deadline. If you wait long enough you will get a final action that you do not want so, if it will be more than a week or so to get the filing done, call the examiner and let them know when you plan to file.


2

Under patent infringement doctrine, there can be infringement under doctrine of equivalents or under means plus function language. The latter is invoked when the claim includes functional language. Functional language is language in the claim that does not describe claim elements nor connects them. In your claim 1, the language “which creates a drag . . .” ...


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