Patent US2717787A successfully refreshed from Google Patents.
Patent US3283694A successfully refreshed from Google Patents.
US3283694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air mixing and sound attenuating unit
Assignee: TEMPMASTER CORP
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Filing: 1964-03-04
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Granted: 1966-11-08
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank J Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:55
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/044; F24F3/048; F24F3/052; F24F3/0522; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/1413; F24F13/1406; F24F13/24; Y; Y10; Y10S; Y10S454/00; Y10S454/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A MIXING AND SOUND ATTENUATION UNIT FOR AIR CONDITIONING SYSTEMS OF THE TYPE HAVING TWO SOURCES OF CONDITIONED AIR, THE COMBINATION OF A HOLLOW CASING HAVING TOP, BOTTOM AND OPPOSITE SIDE WALLS AND FRONT AND REAR END WALLS, SAID REAR END WALL PROVIDED WITH A PAIR OF INLET OPENINGS SPACED FROM ONE ANOTHER AND ON OPPOSITE SIDES OF THE FORE AND AFT CENTERLINE THROUGH THE CASING, SAID FRONT WALL PROVIDED WITH A CENTRALLY LOCATED DISCHARGE OUTLET, AN UPRIGHT INTERNAL DIVIDER PARTITION EXTENDING ON SAID CENTERLINE FORWARDLY FROM SAID REAR END WALL AND TERMINATING IN A FRONT END EDGE IN THE CENTRAL PORTION OF THE CASING, A PAIR OF UPRIGHT PLATE MEMBERS EACH HAVING FRONT EDGE PORTIONS WHICH ARE CONNECTED WITH SAID PARTITION NEAR SAID FRONT END EDGE THEREOF, SAID PLATE MEMBERS EXTENDING SYMMETRICALLY REARWARDLY AND OUTWARDLY FROM
Claim 2
Dependent Claim
138 words
IN A MIXING AND SOUND ATTENUATION UNIT FOR AIR CONDITIONING SYSTEMS OF THE TYPE HAVING TWO SOURCES OF CONDITIONED AIR, THE COMBINATION OF A HOLLOW CASING HAVING TOP, BOTTOM AND OPPOSITE SIDE WALLS AND FRONT AND REAR END WALLS, SAID REAR END WALL PROVIDED WITH A PAIR OF INLET OPENINGS SPACED FROM ONE ANOTHER AND ON OPPOSITE SIDES OF THE FORE AND AFT CENTERLINE THROUGH THE CASING, SAID FRONT WALL PROVIDED WITH A CENTRALLY LOCATED DISCHARGE OUTLET, AN UPRIGHT INTERNAL DIVIDER PARTITION EXTENDING ON SAID CENTERLINE FORWARDLY FROM SAID REAR END WALL AND TERMINATING IN A FRONT END EDGE IN THE CENTRAL PORTION OF THE CASING, A PAIR OF UPRIGHT PLATE MEMBERS EACH HAVING FRONT EDGE PORTIONS WHICH ARE CONNECTED WITH SAID PARTITION NEAR SAID FRONT END EDGE THEREOF, SAID PLATE MEMBERS EXTENDING SYMMETRICALLY REARWARDLY AND OUTWARDLY FROM
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |