Patent US3170621A successfully refreshed from Google Patents.
US3170621A
Expired / Lapsed
US
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Apparatus for exhausting fumes from factories and the like
Assignee: Centriflo Pty Ltd
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Filing: 1963-10-23
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Granted: 1965-02-23
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Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Morrison John Maynard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:14
CPC Classifications
B; B08; B08B; B08B15/00; B08B15/02; F; F04; F04D; F04D17/00; F04D17/08; F04D17/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS FOR EXHAUSTING FUMES, COMPRISING: (A) A CASING HAVING AN INLET AND OUTLET IN AXIAL ALIGNMENT; (B) A MOTOR MOUNTING CHAMBER ENCLOSED WITHIN SAID CASING, SAID CHAMBER BEING DEFINED BY: (1) A FIRST PORTION OF THE WALL OF SAID CASING DISPOSED BETWEEN SAID INLET AND OUTLET; (2) A FIRST PARTITION JOINED TO SAID FIRST PORTION AND EXTENDING DOWNWARDLY THEREFROM OBLIQUELY ACROSS THE INTERIOR OF SAID CASING TO A DEFLECTING END TERMINATING SHORT OF A SECOND PORTION OF THE WALL OF SAID CASING OPPOSITE SAID FIRST PORTION TO DEFINE WITH SAID SECOND PORTION A PASSAGEWAY OPEN TO SAID OUTLET; AND, (3) A SECOND PARTITION JOINED TO THE DEFLECTING END OF SAID FIRST PORTION AND EXTENDING DOWNWARDLY THEREFROM OBLIQUELY ACROSS THE INTERIOR OF SAID CASING TO A JUNCTURE WITH SAID FIRST PORTION OF THE CASING WALL, SAID SECOND PARTITION HAVING AN OPENING THEREIN TO ACCOMMODATE THE PASSAGE OF A MOTOR SHAFT THERETHROUGH;
Claim 2
Dependent Claim
150 words
APPARATUS FOR EXHAUSTING FUMES, COMPRISING: (A) A CASING HAVING AN INLET AND OUTLET IN AXIAL ALIGNMENT; (B) A MOTOR MOUNTING CHAMBER ENCLOSED WITHIN SAID CASING, SAID CHAMBER BEING DEFINED BY: (1) A FIRST PORTION OF THE WALL OF SAID CASING DISPOSED BETWEEN SAID INLET AND OUTLET; (2) A FIRST PARTITION JOINED TO SAID FIRST PORTION AND EXTENDING DOWNWARDLY THEREFROM OBLIQUELY ACROSS THE INTERIOR OF SAID CASING TO A DEFLECTING END TERMINATING SHORT OF A SECOND PORTION OF THE WALL OF SAID CASING OPPOSITE SAID FIRST PORTION TO DEFINE WITH SAID SECOND PORTION A PASSAGEWAY OPEN TO SAID OUTLET; AND, (3) A SECOND PARTITION JOINED TO THE DEFLECTING END OF SAID FIRST PORTION AND EXTENDING DOWNWARDLY THEREFROM OBLIQUELY ACROSS THE INTERIOR OF SAID CASING TO A JUNCTURE WITH SAID FIRST PORTION OF THE CASING WALL, SAID SECOND PARTITION HAVING AN OPENING THEREIN TO ACCOMMODATE THE PASSAGE OF A MOTOR SHAFT THERETHROUGH;
References Cited (Backward Citations)
US3071059A
Cited
US3102679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |