Patent US3675250A successfully refreshed from Google Patents.
US3675250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closet means
Assignee: TEBE ELPRODUKTER AB
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Filing: 1971-02-09
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Granted: 1972-07-11
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Expires: 1991-02-09
Abstract
Abstract A closet means comprises a chair having an upwards pivotable seat ring and a closure for shutting the chair. Immediately below said ring there is provided a well-like chamber, the wall of which is thermally insulated and connected to a cooling system in such a way, that the wall of the chamber may be cooled down to about -15* C and that during such cooling heat is uniformly transferred to the seat ring, which is insulated from said wall by means of a ring of plastic or the like.
Inventors
- 👤 Bigge Bengtsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:13
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/02; A47K11/023; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
85 words
In a closet means, an upwArds pivotable seat ring and a closure for shutting the ring, a well-like chamber located below said ring and having a thermally insulating wall, a cooling system which is connected to said chamber for cooling the wall thereof down to about -15* C, means for uniformly transferring heat during such cooling to said seat ring, and a ring of thermally insulating material which is interposed between said wall and said seat ring for insulating said seat ring from said wall.
Claim 2
Dependent Claim
85 words
In a closet means, an upwArds pivotable seat ring and a closure for shutting the ring, a well-like chamber located below said ring and having a thermally insulating wall, a cooling system which is connected to said chamber for cooling the wall thereof down to about -15* C, means for uniformly transferring heat during such cooling to said seat ring, and a ring of thermally insulating material which is interposed between said wall and said seat ring for insulating said seat ring from said wall.
Claim 3
Dependent Claim
46 words
In a closet means according to claim 1, a holder for a disposable bag of plastic or a similar material which is immersed into said chamber as a lining for the walls and the bottom thereof and which is held in place by said insulating ring.
Claim 4
Dependent Claim
51 words
In a closet means according to claim 1, a device which comprises a pump and a tank, which contains a foam forming agent, and a mechanical coupling between said closure and said device for distributing said agent over the contents of the bag in response to the shutting of said closure.
Claim 5
Dependent Claim
50 words
In a closet means according to claim 1, a device which comprises a pump and a tank, which contains a rapidly freezing agent,and a mechanical coupling between said closure and said device for distributing said agent over the contents of the bag in response to the shutting of said closure.
Claim 6
Dependent Claim
51 words
In a closet means according to claim 1, a device which comprises a pump and a tank, which contains a foam forming agent, and a mechanical coupling between said closure and said device for distributing said agent over the contents of the chamber in response to the shutting of said closure.
Claim 7
Dependent Claim
51 words
In a closet means according to claim 1, a device which comprises a pump and a tank, which contains a rapidly freezing agent and a mechanical coupling between said closure and said device for distributing said agent over the contents of the chamber in response to the shutting of said closure.
References Cited (Backward Citations)
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US3564618A
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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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |