Internal action improved gas powered umbrella

Details Internal action improved gas powered umbrella Internal action improved gas powered umbrella

1984-02-13

1988-08-30

Hafer, Robert A.

Tent, canopy, umbrella, or cane

Umbrella

Inflatable

135 22, A45B 2514, A45B 2300

Patent

active

047669209

ABSTRACT:
A device is disclosed whereby both the opening and the closing of a device commonly known as an umbrella is accomplished automatically.

REFERENCES:
patent: 641114 (1900-01-01), Ingram
patent: 803630 (1905-11-01), Seligstein
patent: 803739 (1905-11-01), Bamberger et al.
patent: 1070894 (1913-08-01), Hopkins
patent: 1109854 (1914-09-01), McCabe
patent: 2621670 (1952-12-01), Wuster
patent: 2625946 (1953-01-01), Kaston et al.
patent: 2652821 (1953-09-01), Fitch
patent: 2960094 (1960-11-01), Small
patent: 3572310 (1971-03-01), Chiba
patent: 3746025 (1973-07-01), Murata
patent: 3801809 (1974-04-01), Slade
patent: 3856030 (1974-12-01), Sato
patent: 4191158 (1980-03-01), Curran
patent: 4424824 (1984-01-01), Becher
patent: 4523601 (1985-06-01), Grady et al.
patent: 4572226 (1986-02-01), Williams et al.

Affiliated with

Also associated with

Rating

Internal action improved gas powered umbrella does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Internal action improved gas powered umbrella, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Internal action improved gas powered umbrella will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2082293