Patent US4833739A successfully refreshed from Google Patents.
US4833739A
Expired / Lapsed
US
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Steam sauna
Assignee: Inax Corp
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Filing: 1988-03-17
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Granted: 1989-05-30
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Expires: 2008-03-17
Abstract
Abstract A steam sauna (11) has a passage (14) for circulation of air existing in a sauna booth (12), and is provided with a heater (16) for heating air flowing through the passage, and a steam generator with an ultrasonic oscillator (18) for mixing steam generated with the air heated.
Inventors
- 👤 Shigeru Sakakibara
- 👤 Ryuici Kawamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:52
CPC Classifications
A; A61; A61H; A61H33/00; A61H33/06; A61H33/063; A61H2201/00; A61H2201/10; A61N; A61N5/00; A61N5/06; A61N2005/0658; A61N2005/0659; A61N2005/066
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
93 words
A steam sauna comprising: a sauna booth having an upper portion and a lower portion, a passage extending from the upper portion to the lower portion inside the sauna booth, air in the sauna booth being able to circulate through the passage, air sending means provided in said passage for circulating the air, heating means provided in said passage for heating the circulating air, and steam generating means with an ultrasonic oscillator for generating steam which is disposed so that the generated steam can be mixed with the air flowing through said passage.
Claim 2
Dependent Claim
93 words
A steam sauna comprising: a sauna booth having an upper portion and a lower portion, a passage extending from the upper portion to the lower portion inside the sauna booth, air in the sauna booth being able to circulate through the passage, air sending means provided in said passage for circulating the air, heating means provided in said passage for heating the circulating air, and steam generating means with an ultrasonic oscillator for generating steam which is disposed so that the generated steam can be mixed with the air flowing through said passage.
Claim 3
Dependent Claim
17 words
A steam sauna according to claim 1, wherein said sauna booth is provided with a shower unit.
Claim 4
Dependent Claim
25 words
A steam sauna according to claim 2, wherein said sauna booth is provided with a floor made of a waterproof pan with a drain trap.
Claim 5
Dependent Claim
42 words
A steam sauna according to claim 3, wherein said waterproof pan has a seat section on which a user can sit down, and on the under side of said seat section are provided said steam generating means and said air sending means.
Claim 6
Dependent Claim
23 words
A steam sauna according to claim 1, wherein the air flowing through said passage is made to pass through said steam generating means.
Claim 7
Dependent Claim
19 words
A steam sauna according to claim 5, wherein said air heating means is provided in said steam generating means.
Claim 8
Dependent Claim
26 words
A steam sauna according to claim 1, wherein the steam generated in said steam generating means is led through a steam guiding member to said passage.
Claim 9
Dependent Claim
21 words
A steam sauna according to claim 1, wherein said steam generating means includes a heater for heating water to be vaporized.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-29 | 1992-11-28 | 1993-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-29 | 1996-11-28 | 1997-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-29 | 2000-11-28 | 2001-05-30 | $7700.00 | Window Closed / Lapsed |