Patent US6282820B1 successfully refreshed from Google Patents.
US6282820B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circulating fluid amusement device
Assignee: Individual
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Filing: 1997-10-27
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Granted: 2001-09-04
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Expires: 2017-10-27
Abstract
Abstract A fluid filled novelty amusement device with a magnetic impeller 9 driven by an electric motor 16 , through a magnetic couple created between a magnetic rotor 15 and the magnetic impeller 9 , that provides forced circulating fluid 3 flow that entrains and disperses ornamental particles 2 throughout a transparent enclosure 1 to provide viewing entertainment.
Inventors
- 👤 Michael L. White
- 👤 Patricia E. White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:10
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
142 words
An improved fluid filled amusement device that comprises: a) an enclosure with an opening, said enclosure substantially transparent; b) a fluid substantially filling said enclosure; c) a plurality of particles disposed inside said enclosure; d) a base attached to said enclosure forming a watertight seal between said base and said enclosure, said base having an upper and lower housing, said upper housing hermetically sealed from said lower housing; e) an impeller disposed in said upper housing, said impeller further having a plurality of magnetic poles; f) a rotor, said rotor rotatably mounted in said lower housing, said rotor further having a plurality of magnetic poles, said rotor closely spaced and aligned to said impeller to form a plurality of magnetic couples; and g) a drive mechanism disposed in said lower housing, said drive mechanism connected to said rotor to rotate said rotor.
Claim 2
Dependent Claim
142 words
An improved fluid filled amusement device that comprises: a) an enclosure with an opening, said enclosure substantially transparent; b) a fluid substantially filling said enclosure; c) a plurality of particles disposed inside said enclosure; d) a base attached to said enclosure forming a watertight seal between said base and said enclosure, said base having an upper and lower housing, said upper housing hermetically sealed from said lower housing; e) an impeller disposed in said upper housing, said impeller further having a plurality of magnetic poles; f) a rotor, said rotor rotatably mounted in said lower housing, said rotor further having a plurality of magnetic poles, said rotor closely spaced and aligned to said impeller to form a plurality of magnetic couples; and g) a drive mechanism disposed in said lower housing, said drive mechanism connected to said rotor to rotate said rotor.
Claim 3
Dependent Claim
37 words
An improved fluid filled amusement device as described in claim 1 wherein said impeller has a hub, said hub affixed to said impeller and extending perpendicularly from said impeller, said hub rotatably mounted in said upper housing.
Claim 4
Dependent Claim
29 words
An improved fluid filled amusement device as described in claim 1 further having a hub, said hub affixed in said upper housing, said impeller rotatably mounted to said hub.
Claim 5
Dependent Claim
164 words
An improved fluid filled amusement device that comprises: a) an enclosure with an opening, said enclosure substantially transparent; b) a fluid substantially filling said enclosure; c) a plurality of particles disposed inside said enclosure; d) a base attached to said enclosure forming a watertight seal between said base and said enclosure, said base having an upper and lower housing, said upper housing hermetically sealed from said lower housing; e) at least one suction port located in the upper housing; f) at least one discharge port located in said upper housing; g) an impeller disposed in said upper housing, said impeller further having a plurality of magnetic poles; h) a rotor, said rotor rotatably mounted in said lower housing, said rotor further having a plurality of magnetic poles, said rotor closely spaced and aligned to said impeller to form a plurality of magnetic couples; and i) a drive mechanism disposed in said lower housing, said drive mechanism connected to said rotor to rotate said rotor.
Claim 6
Dependent Claim
164 words
An improved fluid filled amusement device that comprises: a) an enclosure with an opening, said enclosure substantially transparent; b) a fluid substantially filling said enclosure; c) a plurality of particles disposed inside said enclosure; d) a base attached to said enclosure forming a watertight seal between said base and said enclosure, said base having an upper and lower housing, said upper housing hermetically sealed from said lower housing; e) at least one suction port located in the upper housing; f) at least one discharge port located in said upper housing; g) an impeller disposed in said upper housing, said impeller further having a plurality of magnetic poles; h) a rotor, said rotor rotatably mounted in said lower housing, said rotor further having a plurality of magnetic poles, said rotor closely spaced and aligned to said impeller to form a plurality of magnetic couples; and i) a drive mechanism disposed in said lower housing, said drive mechanism connected to said rotor to rotate said rotor.
Claim 7
Dependent Claim
37 words
An improved fluid filled amusement device as described in claim 4 wherein said impeller has a hub, said hub affixed to said impeller and extending perpendicularly from said impeller, said hub rotatably mounted in said upper housing.
Claim 8
Dependent Claim
29 words
An improved fluid filled amusement device as described in claim 4 further having a hub, said hub affixed in said upper housing, said impeller rotatably mounted to said hub.
References Cited (Backward Citations)
US3006111A
Cited
US4162855A
Cited
US4757986A
Cited
US4817311A
Cited
US4852283A
Cited
US5213540A
Cited
US5189821A
Cited
US5313727A
Cited
US5491916A
Cited
US5502908A
Cited
US5435086A
Cited
US5775014A
Cited
US5732492A
Cited
US5875577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-09-03 | 2005-03-05 | 2005-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-09-03 | 2009-03-05 | 2009-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-09-03 | 2013-03-05 | 2013-09-04 | $7700.00 | Window Closed / Lapsed |