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Class Information
Number: 59/29
Name: Chain, staple, and horseshoe making > Chain making > Sizing and trimming
Description: Machines and apparatus for trimming, straightening, stretching, or otherwise imparting uniform dimensions to chain-links after they have received their general form.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6895737 |
Lightweight omega chain and improved method of manufacture |
May. 24, 2005 |
| 6837036 |
Method of decorating jewelry |
Jan. 4, 2005 |
| 6824484 |
Chain |
Nov. 30, 2004 |
| 6782689 |
Method of making a chain |
Aug. 31, 2004 |
| 6745554 |
Lightweight omega chain and improved method of manufacture |
Jun. 8, 2004 |
| 6470665 |
Procedure to obtain the diamond effect in a precious metal product, particularly as in a chain with hollow links and a chain obtained according to said method |
Oct. 29, 2002 |
| 6427433 |
Rocker joint pin for chain, and method and apparatus for producing the rocker joint pin |
Aug. 6, 2002 |
| 6068568 |
Silent chain |
May. 30, 2000 |
| 5755088 |
Method of forming a decorative chain in ductile metal with approximately square or similar cross section, and chain made in this way |
May. 26, 1998 |
| 5581992 |
Method and apparatus for imparting reflective surfaces to items of jewelry |
Dec. 10, 1996 |
| 5526639 |
Method of forming jewelry chains |
Jun. 18, 1996 |
| 3978746 |
Device for removing flash after resistance butt welding of rails |
Sep. 7, 1976 |
| 3945198 |
Chain making apparatus |
Mar. 23, 1976 |
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