US3212424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control device
Assignee: Trane Co
•
Filing: 1963-05-14
•
Granted: 1965-10-19
•
Expires: 1983-05-14
Abstract
No abstract record available.
Inventors
- 👤 James R Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:56
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/1426; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/76; F24F13/02; F24F13/04; F24F13/1413; F24F3/00; F24F3/044; F24F3/048; F24F3/052; F24F3/0522; F24F2013/1466; F24F2013/1473; Y; Y10; Y10S; Y10S55/00; Y10S55/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
DEVICE FOR MIXING TWO FLUID STREAMS OF DIFFERENT QUALITIES COMPRISING MEANS FORMING A MIXING CHAMBER; FIRST MEANS FOR STRATIFYING FLUID FROM ONE OF SAID FLUID STREAMS INTO A PLURALITY OF SUBSTANTIALLY PARALLEL FIRST FLUID LAYERS EXTENDING THEREFROM IN SAID MIXING CHAMBER; SECOND MEANS FOR STRATIFYING FLUID FROM THE OTHER OF SAID FLUID STREAMS INTO A PLURALITY OF SECOND FLUID LAYERS EXTENDING THEREFROM IN SUBSTANTIALLY PARALLEL INTERLEAVED RELATION WITH SAID FIRST FLUID LAYERS; AND MEANS FOR DISCHARGING FLUID FROM SAID MIXING CHAMBER; SAID FIRST MEANS COMPRISING A PLURALITY OF OPPOSED DAMPER VANES.
Claim 2
Dependent Claim
91 words
DEVICE FOR MIXING TWO FLUID STREAMS OF DIFFERENT QUALITIES COMPRISING MEANS FORMING A MIXING CHAMBER; FIRST MEANS FOR STRATIFYING FLUID FROM ONE OF SAID FLUID STREAMS INTO A PLURALITY OF SUBSTANTIALLY PARALLEL FIRST FLUID LAYERS EXTENDING THEREFROM IN SAID MIXING CHAMBER; SECOND MEANS FOR STRATIFYING FLUID FROM THE OTHER OF SAID FLUID STREAMS INTO A PLURALITY OF SECOND FLUID LAYERS EXTENDING THEREFROM IN SUBSTANTIALLY PARALLEL INTERLEAVED RELATION WITH SAID FIRST FLUID LAYERS; AND MEANS FOR DISCHARGING FLUID FROM SAID MIXING CHAMBER; SAID FIRST MEANS COMPRISING A PLURALITY OF OPPOSED DAMPER VANES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |