Patent US3824137A successfully refreshed from Google Patents.
US3824137A
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Solution agitation process
Assignee: In-Line Technology Inc
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Filing: 1973-04-18
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Granted: 1974-07-16
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Expires: 1993-04-18
Abstract
Abstract A SOLUTION AGITATION PROCESS AND SYSTEM OF PROVIDE A UNIFORM AND CONTROLLED TURBULENT FLOW OF TREATMENT LIQUID OVER BOTH SIDES OF A FLAT SUBSTRATE WHICH IS SUSPENDED IN A TREATMENT SOLUTION, WHEREIN A DIRECTED LIQUID SPRAY PATTERN BELOW THE TREATMEBT SOLUTION LEVEL CREATES PARALLEL, FLOWING WALLS OF SOLUTION RUNNING DOWNWARD THROUGH THE TANK AND ON EACH OPPOSITE SIDE OF THE SUBSTRATE.
Inventors
- 👤 H Bok
- 👤 Onge E St
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:45
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/10; C; C04; C04B; C04B41/00; C04B41/53; C04B41/5338; C04B41/5353; G03D5/00; G03D5/04; G03F; G03F7/00; G03F7/26; G03F7/30; G03F7/3085; H; H05; H05K; H05K3/00; H05K3/0085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |