It’s the same process over and over.
Non-final rejection, non-final rejection, final rejection.
Pay a new fee....
Non-final rejection, non-final rejection, final rejection
Pay a new fee...
RINSE, REPEAT...
When basically ALL CLAIMS are rejected in a patent...you need to revamp your approach completely or abandoned the patent.
...but not BVTK...just keep submitting the same thing. The fee is not that much and the pump value continues...
Bottom line...it’s NOT patentable.
"Harsh reality is always better than false hope"