Patent US4356535A successfully refreshed from Google Patents.
US4356535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modern fan device
Assignee: Individual
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Filing: 1980-09-17
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Granted: 1982-10-26
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Expires: 2000-09-17
Abstract
Abstract The present invention is to provide a latest modern fan device and, more particularly, to a fan device with novel simple construction which may be hung under ceiling for being used as fan and lamp.
Inventors
- 👤 Chung S. Chu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:07
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/06; F21; F21V; F21V33/00; F21V33/0088; F21V33/0096; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/078
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
105 words
A modern fan device comprising a shell body; a first motor having a turning axle and a fan leaf mounted on said turning axle of said first motor; said first motor and said fan leaf positioned at the upper part of said shell body with said fan leaf driven by said first motor to fan air out of said shell body; a second motor positioned at a lower part of said shell body; a light penetrating shade covering over an opening in said shell body connected for rotation by said second motor; and an annular illuminating lamp supported between said fan leaf and said shade.
Claim 2
Dependent Claim
105 words
A modern fan device comprising a shell body; a first motor having a turning axle and a fan leaf mounted on said turning axle of said first motor; said first motor and said fan leaf positioned at the upper part of said shell body with said fan leaf driven by said first motor to fan air out of said shell body; a second motor positioned at a lower part of said shell body; a light penetrating shade covering over an opening in said shell body connected for rotation by said second motor; and an annular illuminating lamp supported between said fan leaf and said shade.
Claim 3
Dependent Claim
21 words
A modern fan device as claimed in claim 1, wherein the shade is made from the material with fine diaphanous quality.
Claim 4
Dependent Claim
19 words
A modern fan device as claimed in claim 1, wherein the shade is provided with multiple continuous air holes.
Claim 5
Dependent Claim
39 words
A modern fan device as claimed in claim 1 and claim 3, wherein the multiple continuous air holes on the shade are given various directions in such a manner as to guide the wind blowing out along various directions.
References Cited (Backward Citations)
US3180981A
Cited
US4214296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-10-25 | 1986-04-26 | 1986-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-25 | 1990-04-26 | 1990-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-25 | 1994-04-26 | 1994-10-26 | $7700.00 | Window Closed / Lapsed |