US3363534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air distributing device
Assignee: Wehr Corp
•
Filing: 1965-01-08
•
Granted: 1968-01-16
•
Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Spradling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:38
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/04; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/75; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
187 words
APPARATUS OF THE TYPE DESCRIBED COMPRISING, IN COMBINATION, MEANS DEFINING AN ENCLOSURE, MEANS DEFINING FIRST AND SECOND INLET OPENINGS INTO THE INTERIOR OF SAID CLOSURE, MEANS DEFINING AN OUTLET OPENING FROM SAID ENCLOSURE INTERIOR SPACED FROM SAID INLET OPENINGS, PARTITION MEANS SUPPORTED WITHIN SAID ENCLOSURE INTERIOR INTERMEDIATE SAID INLET AND OUTLET OPENINGS AND INCLUDING FIRST AND SECOND CONSTANT VOLUME REGULATING MEANS DEFINING RESTRICTED PASSAGES BETWEEN SAID INLET AND OUTLET OPENINGS AND OPERATIVE TO MAINTAIN A STANT VOLUME FLOW FROM SAID INLET OPENINGS TO SAID OUTLET OPENING, AND DEFLECTOR MEANS IN SAID ENCLOSURE UPSTREAM OF SAID CONSTANT VOLUME REGULATING MEANS IN THE PATH OF FLOW FROM SAID INLET OPENINGS TO SAID FIRST AND SECOND CONSTANT VOLUME REGULATING MEANS, SAID DEFLECTOR MEANS HAVING AN EXTENSION OVERLAPPING SAID INLET OPEININGS TO RECEIVE SUBSTANTIALLY ALL OF THE FLOW FROM SAID INLET OPENINGS AND OPERATIVE TO DIRECT AT LEAST A PORTION OF THE FLOW THROUGH THE OTHER INLET OPENING INTO THE FLOW THROUGH THE OTHER INLET OPENING TO ACHIEVE A THOROUGH MIXING OF SAID FLOWS AND A SUBSTANTIALLY UNIFORM PRESSURE ON THE INLET SIDE OF SAID FIRST AND SECOND CONSTANT VOLUME REGULATORS.
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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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |