US PATENT SUBCLASS 16 / 400
COUNTERBALANCE DEVICE, PER SE

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


16 /   HD   MISCELLANEOUS HARDWARE

400COUNTERBALANCE DEVICE, PER SE {1}
401  DF  .~> Spring

DEFINITION

Classification: 16/400

COUNTERBALANCE DEVICE, PER SE:

Subject matter under the subclass definition comprising a counterpoise to negate or minimize a force.

(1) Note. Included in this subclass is a counterbalance device, where the counterpoise is connected to the force by a pulley or system of pulleys.

SEE OR SEARCH THIS CLASS, SUBCLASS:

401, for a spring counterbalance device.

SEE OR SEARCH CLASS

49, Movable or Removable Closures, for a counterbalance device claimed in conjunction with a door, especially

20, 119+, 150+, 429+, and 445+.