Tire pressure maintenance unit

Details Tire pressure maintenance unit Tire pressure maintenance unit

2006-06-06

2006-06-06

Freay, Charles G. (Department: 3746)

Pumps

Ambulant, body supported, or with carrying handle

C239S441000, C239S026000

Reexamination Certificate

active

07056099

ABSTRACT:
A portable and hand-held unit is used to pump air into vehicle tires to a pre-set pressure and to remind a vehicle owner to monitor the pressure of the tires on the vehicle. The unit includes a light, a power source, an air pump, and a one-way valve and is used by connecting an outlet valve to an inflation valve on a vehicle tire via a special adapter.

REFERENCES:
patent: 2445959 (1948-07-01), Luper
patent: 3241112 (1966-03-01), Linkmeyer
patent: 3268678 (1966-08-01), James
patent: 3462735 (1969-08-01), Hawes
patent: 4054163 (1977-10-01), Brown, Jr. et al.
patent: 4489855 (1984-12-01), Boetger
patent: 4621984 (1986-11-01), Fussell
patent: 5025244 (1991-06-01), Huang
patent: 5124395 (1992-06-01), Abramowski et al.
patent: 5407330 (1995-04-01), Rimington et al.
patent: 5967198 (1999-10-01), Smalley
patent: 1153900 (1969-05-01), None

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