US3675250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closet means
Assignee: TEBE ELPRODUKTER AB
•
Filing: 1971-02-09
•
Granted: 1972-07-11
•
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 04:02
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)
US2835214A
Cited
US2835215A
Cited
US3032776A
Cited
US3111684A
Cited
US3522613A
Cited
US3564618A
Cited
US3577568A
Cited
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 |