Patent US3612488A successfully refreshed from Google Patents.
US3612488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: Kunststoffbuero Osnabrueck Dr Reuter GmbH and Co KG
•
Filing: 1969-10-31
•
Granted: 1971-10-12
•
Expires: 1989-10-31
Abstract
Abstract A mixer is provided with a forked tubular stirrer adapted to receive liquids at its upper end and to discharge them into a mixing chamber through tines. An overflow pipe extends through the bottom of the tank and insures an accumulation of liquids in the chamber.
Inventors
- 👤 Gunter Friedrich Bartel
- 👤 Martin Klawitter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:26
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
87 words
A mixing device comprising a container and within said container a tubular fork-shaped stirrer extending as a single open ended tube through the top of said tank and forking into tubular tines having open ends within said tank, means adjacent the top of said tank for introducing components to be mixed into said single tube, and an overflow tubular member for discharging liquid through the bottom of said container extending into said tank and having an open end terminating between the forked tubular portions of said stirrer.
Claim 2
Dependent Claim
87 words
A mixing device comprising a container and within said container a tubular fork-shaped stirrer extending as a single open ended tube through the top of said tank and forking into tubular tines having open ends within said tank, means adjacent the top of said tank for introducing components to be mixed into said single tube, and an overflow tubular member for discharging liquid through the bottom of said container extending into said tank and having an open end terminating between the forked tubular portions of said stirrer.
Claim 3
Dependent Claim
38 words
The device of claim 1 wherein said single tube is secured to a drive shaft and the means for introducing components into said stirrer are adapted to introduce the components into the said single tube about said shaft.
Claim 4
Dependent Claim
8 words
The device of claim 1 having two tines.
Claim 5
Independent Claim
87 words
A method for mixing liquids which comprises introducing at least two liquids into the top of a tubular fork-shaped stirrer extending as a single open ended tube through the top of a tank and forking into tubular tines having open ends within said tank, rotating said stirrer, allowing liquid to flow from the tines of said stirrer into said tank and collecting liquid mixture from an overflow tubular member extending into said tank and having an open end terminating between the forked tubular portions of said stirrer.
Claim 6
Independent Claim
87 words
A method for mixing liquids which comprises introducing at least two liquids into the top of a tubular fork-shaped stirrer extending as a single open ended tube through the top of a tank and forking into tubular tines having open ends within said tank, rotating said stirrer, allowing liquid to flow from the tines of said stirrer into said tank and collecting liquid mixture from an overflow tubular member extending into said tank and having an open end terminating between the forked tubular portions of said stirrer.
References Cited (Backward Citations)
DE26398C
Cited
US3414245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |