Patent US4390060A successfully refreshed from Google Patents.
US4390060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-circulating assembly
Assignee: Individual
•
Filing: 1981-07-20
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Granted: 1983-06-28
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Expires: 2001-07-20
Abstract
Abstract An air-circulating assembly includes a motor driven fan and a shroud supporting the fan. The assembly is characterized by a support structure for extending about and engaging an existing stove pipe for removably attaching the shroud to the exterior of the stove pipe so that the fan moves ambient air past the stove pipe to heat the ambient air.
Inventors
- 👤 Nelson A. Reinke
- 👤 B. G. Ulch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:42
CPC Classifications
F; F28; F28D; F28D21/00; F28D21/0001; F28D21/0003; F28D21/0005; F28D21/0008; Y; Y10; Y10S; Y10S165/00; Y10S165/901
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
115 words
An air-circulating assembly (10) comprising; fan means (12), shroud means (14) for supporting said fan means (12), and said assembly characterized by support means for extending about and engaging an existing stove pipe (16) for removably attaching said shroud means (14) to the exterior of the stove pipe (16) for moving ambient air past the stove pipe (16) to heat the ambient air from the stove pipe (16), and said support means including a cradle (20) for engaging one side of the stove pipe (16) and at least one flexible member (22) attached to said cradle (20) and extending around the remainder of the pipe (16) to hold said cradle (20) against the pipe (16).
Claim 2
Dependent Claim
115 words
An air-circulating assembly (10) comprising; fan means (12), shroud means (14) for supporting said fan means (12), and said assembly characterized by support means for extending about and engaging an existing stove pipe (16) for removably attaching said shroud means (14) to the exterior of the stove pipe (16) for moving ambient air past the stove pipe (16) to heat the ambient air from the stove pipe (16), and said support means including a cradle (20) for engaging one side of the stove pipe (16) and at least one flexible member (22) attached to said cradle (20) and extending around the remainder of the pipe (16) to hold said cradle (20) against the pipe (16).
Claim 3
Dependent Claim
34 words
An assembly as set forth in claim 1 where said cradle (20) includes at least one substantially V-shaped member (20) having a first and second end portion (24, 26) secured to said shroud (14).
Claim 4
Dependent Claim
42 words
An assembly as set forth in claim 2 wherein said flexible member (22) is a spring (22) having a first and second ends (30, 32) removably connected to said first and second end portions (24, 26) of said V-shaped member (20), respectively.
Claim 5
Dependent Claim
51 words
An assembly as set forth in claim 3 wherein said first and second end portions (24, 26) of said V-shaped member (20) include a hole (34) therethrough, said first and second ends (30, 32) of said spring (22) being hook-shaped for removably engaging said V-shaped member (20) within said holes (34).
Claim 6
Dependent Claim
20 words
An assembly as set forth in claim 4 wherein said cradle (20) includes a pair of said V-shaped members (20).
Claim 7
Dependent Claim
74 words
An assembly as set forth in claim 2 wherein said shroud means (14) includes a central portion (36) and first and second side portions (38, 40), said first and second side portions (38) being nonparallel in relation to said central portion (36) and substantially symmetric to each other, said first and second end portions (24, 26) of said V-shaped members (20) being fixedly secured to said first and second side portions (38, 40), respectively.
Claim 8
Dependent Claim
28 words
An assembly as set forth in claim 6 wherein said central portion (36) includes an opening (42) therethrough, said fan means (12) being disposed within said opening (42).
Claim 9
Dependent Claim
39 words
An assembly as set forth in claim 7 including a substantially U-shaped support member (44) connected to said central portion (36) and spanning said opening (42), said fan means (12) being fixedly secured to said U-shaped support member (44).
Claim 10
Dependent Claim
61 words
An assembly as set forth in claim 8 including an annular support member (54) disposed about said opening (42) and secured to said U-shaped support member (44), said assembly (10) further including a screen (56) disposed over said opening (42) and including a peripheral portion about the outer circumference thereof, said peripheral portion being connected to said annular support member (54).
Claim 11
Dependent Claim
60 words
An assembly as set forth in claim 9 wherein said fan means (12) consists of a direct drive motor (48), a driven shaft (50) extending from said motor (48) and a fan member (52) secured to said shaft (50), said screen (56) being disposed between said motor (48) and said fan (52), said shaft (50) extending through said screen (56).
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) | 1986-06-27 | 1986-12-27 | 1987-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-27 | 1990-12-27 | 1991-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-27 | 1994-12-27 | 1995-06-28 | $7700.00 | Window Closed / Lapsed |