Re: Drought Resistant Hostas---Also H. 'Revolution'
Bob & all,
I went poking around the US patent site at:
on this page I found:
PROVISIONAL APPLICATION FOR PATENT
What It Is and How to Use It
January 1, 1997
Since June 8, 1995, the U. S. Patent and Trademark Office (PTO) has
offered inventors the option of filing a provisional application for patent
which was designed to provide a lower cost first patent filing in the
United States and to give U.S. applicants parity with foreign applicants
GATT Uruguay Round Agreements.
A provisional application for patent is a U.S. national application
for patent filed in the PTO under 35 U.S.C. §111(b). It allows filing
formal patent claim, oath or declaration, or any information or
prior art disclosure. It provides the means to establish an early effective
filing date in a
patent application and allows the term “Patent Pending” to be applied.
The period of up to one year of pendency for the provisional application
is excluded from the term calculation of a granted patent that relies upon
provisional application for patent, thus providing a term endpoint
that is 21 years from the provisional application filing date.
If I am reading this correctly, you get one year of protection to secure
your patent of twenty years totaling 21 years.