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

Mobile hospital bed scale

Patent 5990423 Issued on November 23, 1999. Estimated Expiration Date: Icon_subject June 12, 2018. 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

3217818

3431992

Portable weigh apparatus for measuring liquid volume
Patent #: 4002215
Issued on: 01/11/1977
Inventor: Harvill

Scale for weighing hospital patients in their horizontal position
Patent #: 4006789
Issued on: 02/08/1977
Inventor: Stultz ,   et al.

Scale
Patent #: 4281730
Issued on: 08/04/1981
Inventor: Swersey ,   et al.

Hydraulically driven lifting, loading or tipping platform
Patent #: 4403680
Issued on: 09/13/1983
Inventor: Hillesheimer

Scale of flat construction
Patent #: 4487276
Issued on: 12/11/1984
Inventor: Swersey ,   et al.

Laundry softener concentrate
Patent #: 4589989
Issued on: 05/20/1986
Inventor: Muller ,   et al.

Combination hospital bed and surgical table
Patent #: 4669136
Issued on: 06/02/1987
Inventor: Waters ,   et al.

Hospital bed with an integrated scale
Patent #: 4793428
Issued on: 12/27/1988
Inventor: Swersey

More ...

Inventors

Assignee

Application

No. 097128 filed on 06/12/1998

US Classes:

177/140, Hand truck177/141, Hydraulic weigher177/144, Furniture or room fixture177/146, Jack254/2CPlatform type

Examiners

Primary: Gibson, Randy W.

Attorney, Agent or Firm

International Classes

G01G 019/08
G01G 019/10

Abstract

A mobile bed scale is contemplated which lifts the entire bed with patient in situ on a load platform with a non-slip surface. The scale minimizes both vertical and horizontal displacement. The platform has load cells which deliver data to a memory and display device. The invention is portable and partly foldable to aid in storage. It provides for recharging if desired, and for use of an auxiliary power source if desired.

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