It can be abbreviated MNTAIN, MNTN, MOUNTIN, MT, MTIN, MTN. However, the most common abbreviation used is MT. For the source and more detailed information concerning this sub â¦ ject, click on the related links section indicated below.ne common abbreviation is ca.. Another way is the equals sign = with a squiggle over it-- like an S on its side. ## The word about is abbreviated as: abt.
For applications filed before June 8, 1995 and for patents that were still in force on June 8, 1995, the patent term is either 17 years from the issue date or 20 years from the filing date of the earliest U.S. or international (PCT) application to which priority is claimed (excluding provisional applications), the longer term applying.
1 Patents that issued before the 1995 changeover have a term of 17 years from the patent issuance date. 2  Patents that were filed before the 1995 date but issued afterwards get the longer of the two terms. 3  Most patents issued in the past decade have an added term adjustment (PTA) due to delays in examination at the USPTO.