Patent US3953003A successfully refreshed from Google Patents.
US3953003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank provided with pneumatic mixing pipe
Assignee: Aluterv Aluminumipari Tervezo Vallatat
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Filing: 1974-06-06
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Granted: 1976-04-27
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Expires: 1994-06-06
Abstract
Abstract A container adapted to thoroughly mix fluid material, especially suspensions, comprising a tank provided with a vertical mixing pipe, a vertical air lifting pipe, a gas collecting chamber located at the upper end of the mixing pipe, and a connecting pipe affixed at one end to the collecting chamber and communicating therewith and affixed at its other end to the bottom of the air lifting pipe and communicating therewith.
Inventors
- 👤 Laszlo Mahig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:22
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2323; B01F23/23231; B01F23/232311; B01F33/00; B01F33/40; B01F33/405; B01F33/4051; B01F33/40511; Y; Y10; Y10S; Y10S261/00; Y10S261/75
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
67 words
A tank for mixing fluid material, especially suspensions comprising a tank provided with a vertical mixing pipe, a vertical air lifting pipe, a gas collecting chamber located at the upper end of said mixing pipe, and a connecting pipe affixed at one end to said collecting chamber and communicating therewith and affixed at its other end to the bottom of said air lifting pipe and communicating therewith.
Claim 2
Dependent Claim
67 words
A tank for mixing fluid material, especially suspensions comprising a tank provided with a vertical mixing pipe, a vertical air lifting pipe, a gas collecting chamber located at the upper end of said mixing pipe, and a connecting pipe affixed at one end to said collecting chamber and communicating therewith and affixed at its other end to the bottom of said air lifting pipe and communicating therewith.
Claim 3
Dependent Claim
18 words
The tank of claim 1, wherein there is located in said connecting pipe, a gas volume control device.
Claim 4
Dependent Claim
105 words
The tank of claim 1, wherein it is divided into several parts, and arranged in a stacked relationship with at least two parts provided with the vertical mixing pipe at the upper end of which there is situated a gas collecting bell-shaped chamber arranged with the upper end of the lower parts connected to the vertical mixing pipe of the subsquent higher part while the gas collecting chamber is arranged at the upper end of the upper-most part in the stack with the vertical mixing pipe connected to open space and a gas volume control device arranged in each pipe leading to such open space.
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) | 1979-04-27 | 1979-10-27 | 1980-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-27 | 1983-10-27 | 1984-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-27 | 1987-10-27 | 1988-04-27 | $7700.00 | Window Closed / Lapsed |