US4194398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sight glass and sampling system
Assignee: Gastrock Protein Corp
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Filing: 1978-11-13
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Granted: 1980-03-25
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Expires: 1998-11-13
Abstract
Abstract A sight glass and sampling system for the output of a liquid processing device. The system includes a sight glass connected to the outlet of a liquid processing device. A first three-way valve controls the flow from the outlet of the liquid processing device to the inlet of the sight glass. A second three-way valve controls the outlet from the sight glass. A valve controlled sample conduit is connected between the first and second three-way valves. A bypass conduit connects the first and second three-way valves and is controlled by these valves.
Inventors
- 👤 Edward A. Gastrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:38
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/10; A; A23; A23J; A23J1/00; A23J1/14; B; B02; B02C; B02C11/00; B02C11/08; B02C9/00; G; G01; G01N; G01N1/00; G01N1/02; G01N1/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
89 words
A sight glass and sampling system for the output of a liquid processing device including: a sight glass connected to the outlet of said liquid processing device. a first three-way valve controlling the flow from the outlet of said liquid processing device to the inlet of said sight glass, a second three-way valve controlling the outlet from said sight glass, a valve controlled sample conduit connected between said first and second three-way valves, and a by-pass conduit connecting said first and second three-way valves and controlled by said valves.
Claim 2
Dependent Claim
89 words
A sight glass and sampling system for the output of a liquid processing device including: a sight glass connected to the outlet of said liquid processing device. a first three-way valve controlling the flow from the outlet of said liquid processing device to the inlet of said sight glass, a second three-way valve controlling the outlet from said sight glass, a valve controlled sample conduit connected between said first and second three-way valves, and a by-pass conduit connecting said first and second three-way valves and controlled by said valves.
Claim 3
Dependent Claim
16 words
The piping arrangement of claim 1 in which said sight glass is inclined to the vertical.
Claim 4
Dependent Claim
21 words
The piping arrangement of claim 2 in which said sight glass is inclined at an angle of 45° to the vertical.
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) | 1983-03-25 | 1983-09-24 | 1984-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-25 | 1987-09-24 | 1988-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-25 | 1991-09-24 | 1992-03-25 | $7700.00 | Window Closed / Lapsed |