Buckle I D help needed (has patent dates)

[relic lover]

Dug this buckle today I think it is a suspender buckle it still clamps! It is embossed PAT MAR 7 71 NOV 3 74. I tried to find who made it & where but I can't figure out how you guys search old patents so well. I would love some help. Thanks in advance R.L.

 

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[fortbball9]

It is a suspender buckle
Congrats,There are many different styles.
http://forum.treasurenet.com/index.php/topic,249237.0.html

fortbball9

 

[Bigcypresshunter]

This is a very old patent.

 

[Bigcypresshunter]

The second patent identifies Smith & Griggs as the manufacturer.

Patent number: 156580
Filing date: Oct 15, 1874
Issue date: Nov 3, 1874
Inventor: JOHN LINES
Assignee: SMITH & GRIGGS MANUFACTURING COMPANY

 

[relic lover]

Sweet thanks BCH