Imperal 2 blade

[05aquaman05]

I have what appears to be a old 2 blade knife on the larger blade it says imperial USA PROV RI
On the smaller blade there are 3 numbers I assume are patent numbers ?
2284833
P2689400
2479588
Anyone here maybe have any info ? Thanks

 

[Hickory n steel]

I have what appears to be a old 2 blade knife on the larger blade it says imperial USA PROV RI
On the smaller blade there are 3 numbers I assume are patent numbers ?
2284833
P2689400
2479588
Anyone here maybe have any info ? Thanks

Those are patent numbers.
Need a picture but it sounds like maybe the '56-'88 tang stamp.