Thread Control Patents (Class 139/256R)

Incoming thread (Class 139/257)

Positioning outgoing thread for cutting (Class 139/260)

Shuttle clearing (Class 139/261)

Cutting mechanism (Class 139/263)

On shuttle feeler (Class 139/264)
On lay (Class 139/265)
On temple (Class 139/266)
Operated by transfer (Class 139/267)
Operation prevented (Class 139/268)

Pneumatic (Class 139/256A)

There are no patents to show for this class.