Patent US3694651A successfully refreshed from Google Patents.
US3694651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray for liquid sterilizers
Assignee: Aquatron Corp Australia Pty Ltd
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Filing: 1971-02-01
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Granted: 1972-09-26
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Expires: 1991-02-01
Abstract
Abstract A tray for use in sterilizing liquid by U.V. rays, the tray having an outlet and a reflector mounted on the tray adjacent the outlet to reflect the sterilizing U.V. rays onto the underside of the tray around the outlet.
Inventors
- 👤 Douglas Haigh Glasson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:00
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
92 words
A tray for U.V. transparent liquid which is to be sterilized by ultra violet rays, said tray comprising a trough, a liquid discharge hole through the bottom of the trough and reflector means mounted on the tray to intercept U.V. rays originating above the trough and passing through said hole, said reflector means being shaped and dimensioned to reflect the U.V. rays incident thereon against the underside of the tray at least around said hole and being located in a position to avoid liquid discharged from said tray contacting said reflector means.
Claim 2
Dependent Claim
92 words
A tray for U.V. transparent liquid which is to be sterilized by ultra violet rays, said tray comprising a trough, a liquid discharge hole through the bottom of the trough and reflector means mounted on the tray to intercept U.V. rays originating above the trough and passing through said hole, said reflector means being shaped and dimensioned to reflect the U.V. rays incident thereon against the underside of the tray at least around said hole and being located in a position to avoid liquid discharged from said tray contacting said reflector means.
Claim 3
Dependent Claim
30 words
The tray claimed in claim 1 having weir means to maintain liquid in the trough to a pre-determined depth and wherein the hole is down stream from the weir means.
Claim 4
Dependent Claim
20 words
The tray claimed in claim 2 wherein said weir means divides said trough into a plurality of liquid holding areas.
Claim 5
Dependent Claim
23 words
The tray claimed in claim 2 wherein said weir means is comprised of two weirs and said hole is disposed between said weirs.
Claim 6
Dependent Claim
21 words
The tray claimed in claim 4 wherein said hole is disposed in the floor of a well located between said weirs.
Claim 7
Dependent Claim
20 words
The tray claimed in claim 2 wherein said trough increases in depth as it extends away from said weir means.
Claim 8
Dependent Claim
42 words
The tray claimed in claim 1 wherein said reflector means is a tubular member substantially co-axial with said hole and provided with an internal shoulder surface which is angled inwardly and away from said tray, at least said shoulder surface being reflective.
Claim 9
Dependent Claim
28 words
The tray claimed in claim 7 wherein said shoulder surface is disposed at an angle of 35* to the common axis of said hole and said tubular member.
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) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |