US3739792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Umbrella with heat generating means
Assignee: Individual
•
Filing: 1971-07-14
•
Granted: 1973-06-19
•
Expires: 1991-07-14
Abstract
Abstract An umbrella with a heat generating means, such as electric heating elements located in the ribs of the umbrella framework. The heating elements heat the volume of air present under the umbrella canopy. The power source may be incorporated in the umbrella or may be external. In addition, heated air may be drawn through an opening in the bottom and ejected through an opening in the upper end of a hollow vertical column supporting the umbrella''s ribbed frame work and including heat generating means in the column.
Inventors
- 👤 J Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:31
CPC Classifications
A; A45; A45B; A45B3/00
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
61 words
A combination umbrella and heat generating means for warming the atmospheric air present under an umbrella canopy, said umbrella having a hollow rigid support structure, comprising; at least one electrical heating element in said hollow rigid support structure, an electrical power source for said heating element, and switch means for said electrical power source for selectively operating said electrical heating element.
Claim 2
Dependent Claim
61 words
A combination umbrella and heat generating means for warming the atmospheric air present under an umbrella canopy, said umbrella having a hollow rigid support structure, comprising; at least one electrical heating element in said hollow rigid support structure, an electrical power source for said heating element, and switch means for said electrical power source for selectively operating said electrical heating element.
Claim 3
Dependent Claim
26 words
The combination as claimed in claim 1 further comprising heat reflecting means on the inner surfaces of said umbrella canopy for directing the heated air downwardly.
Claim 4
Dependent Claim
25 words
The combination as claimed in claim 1 wherein said hollow rigid support structure includes a plurality of ribs to which said umbrella canopy is secured.
Claim 5
Dependent Claim
67 words
The combination as claimed in claim 1 wherein said hollow rigid support structure includes a tubular section connecting the umbrella handle with said umbrella canopy, said tubular section being provided with spaced openings adjacent to the handle and to said canopy whereby the air which enters the openings adjacent to said handle is heated by said heating element and escapes through said openings adjacent to said canopy.
Claim 6
Dependent Claim
17 words
The combination as claimed in claim 1 wherein said power source is at least one drY cell.
Claim 7
Dependent Claim
38 words
The combination as claimed in claim 1 further comprising a canopy extension secured to the outer edge of said umbrella canopy and extending downwardly, said extension having a transparent part which permits wider visibility for the umbrella user.
Claim 8
Dependent Claim
19 words
The combination as claimed in claim 1 wherein said power supply is positioned in said hollow rigid support structure.
Claim 9
Dependent Claim
16 words
The combination as claimed in claim 3 wherein said heating element is a flexible resistance wire.
Claim 10
Dependent Claim
28 words
The combination as claimed in claim 8 wherein said ribs are U-shaped and the open sides thereof face downwardly, and said wire is secured within said U-shaped ribs.
Claim 11
Dependent Claim
22 words
The combination as claimed in claim 1 wherein said electrical power source is external and is removably connected to the umbrella handle.
Claim 12
Dependent Claim
73 words
A combination umbrella and heat generating means for warming the atmospheric air present under an umbrella canopy, said umbrella having a rigid support structure including a plurality of ribs to which said canopy is secured, electrical heating means for warming the atmosphere under said canopy, means for conducting power from an electrical power source to said electrical heating means, and means mounting said heating means and said conducting means on said support structure.
Claim 13
Dependent Claim
73 words
A combination umbrella and heat generating means for warming the atmospheric air present under an umbrella canopy, said umbrella having a rigid support structure including a plurality of ribs to which said canopy is secured, electrical heating means for warming the atmosphere under said canopy, means for conducting power from an electrical power source to said electrical heating means, and means mounting said heating means and said conducting means on said support structure.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |