U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Bathroom scales

Patent 4147224 Issued on April 3, 1979. Estimated Expiration Date: Icon_subject May 19, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3011572

Force measuring apparatus of the vibratory string type Patent #: 3963082
Issued on: 06/15/1976
Inventor: Meier

Inventors

Assignee

Application

No. 05/798481 filed on 05/19/1977

US Classes:

177/210FP, Frequency changes or pulse counts702/173Weight

Examiners

Primary: Miller, George H. Jr.

Attorney, Agent or Firm

International Classes

G01L 1/10 (20060101)
G01G 3/00 (20060101)
G01G 3/16 (20060101)

Foreign Application Priority Data

1976-05-20 GB

Abstract

Apparatus for weight measurement comprising a wire mounted for tensioning by a weight to be measured, means for resonating the wire, means for measuring the frequency of resonation, at least one programmable read only memory (PROM) fed from the means for measuring the frequency of resonation and programmed to provide output signals indicative of the weight applied to the wire, and digital display means fed from said PROM.

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