US4171069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beverage dispenser
Assignee: McQuay Perfex Inc
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Filing: 1977-06-29
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Granted: 1979-10-16
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Expires: 1997-06-29
Abstract
Abstract A beverage dispenser includes a source of pressurized carbonated beverage which is connected to a dispensing valve by a line extending through a refrigerated bath. In the bath, the line includes a thin-wall high-density polyethylene tubing portion having a wall thickness in the range of 0.018 to 0.028, preferably 0.025 inch, and a density in the range of 0.945 to 0.965, preferably between 0.95 and 0.96.
Inventors
- 👤 Richard T. Cornelius
- 👤 Charles G. Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:25
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/0857; B67D1/0858; B67D1/0861; B67D1/0864; F; F25; F25D; F25D31/00; F25D31/002; F25D31/003; F28; F28F; F28F21/00; F28F21/06; F28F21/062; B67D2210/00; B67D2210/00028; B67D2210/00047
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
30 words
In a method for dispensing a beverage, using thin-wall high-density polyethylene tubing immersed in cold water as a heat exchanger for refrigerating a pressurized carbonated beverage as it passes therethrough.
Claim 2
Dependent Claim
30 words
In a method for dispensing a beverage, using thin-wall high-density polyethylene tubing immersed in cold water as a heat exchanger for refrigerating a pressurized carbonated beverage as it passes therethrough.
Claim 3
Dependent Claim
48 words
A beverage dispensing system, comprising: (a) a source of pressurized carbonated beverage; (b) a refrigerated bath; (c) a disensing valve; and (d) a line connecting said source to said valve and having a thin-wall high-density polyethylene tubing portion disposed in said refrigerated bath for directly engaging water therein.
Claim 4
Dependent Claim
48 words
A beverage dispensing system, comprising: (a) a source of pressurized carbonated beverage; (b) a refrigerated bath; (c) a disensing valve; and (d) a line connecting said source to said valve and having a thin-wall high-density polyethylene tubing portion disposed in said refrigerated bath for directly engaging water therein.
Claim 5
Dependent Claim
23 words
A beverage dispensing system according to claim 2, the wall thickness of said tubing being in the range of 0.018 to 0.028 inch.
Claim 6
Dependent Claim
15 words
A beverage dispensing system according to claim 3, said wall thickness being about 0.025 inch.
Claim 7
Dependent Claim
21 words
A beverage dispensing system according to claim 2, the density of said tubing being in the range of 0.945 to 0.965.
Claim 8
Dependent Claim
17 words
A beverage dispensing system according to claim 5, said density being between 0.95 and 0.96 both inclusive.
Claim 9
Dependent Claim
18 words
A beverage dispensing system according to claim 6, the wall thickness of said tubing being about 0.025 inch.
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) | 1982-10-15 | 1983-04-16 | 1983-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-15 | 1987-04-16 | 1987-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-15 | 1991-04-16 | 1991-10-16 | $7700.00 | Window Closed / Lapsed |