Patent US3225523A successfully refreshed from Google Patents.
US3225523A
Expired / Lapsed
US
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Cyclone dust collector for removing particles from a fluid stream
Assignee: —
•
Filing: —
•
Granted: 1965-12-28
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:53
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/06; B01D45/12; B01D45/16; B04; B04C; B04C3/00; B04C3/06; B04C5/00; B04C5/08; B04C5/103; B04C5/12; B04C5/13; B04C9/00; B04C2003/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SEPARATING DEVICE FOR REMOVING FOREIGN PARTICLES ENTRAINED IN A FLUID STREAM COMPRISING, A GENERALLY CYLINDRICAL HOLLOW SHELL HAVING A CLEAN FLUID OUTLET ON ONE END THEREOF, AND A FOREIGN PARTICLE OUTLET AT THE OTHER END THEREOF, A TANGENTIAL INLET COMMUNICATING WITH THE INTERIOR OF SAID SHELL FOR DIRECTING SUCH A FLUID STREAM CIRCUMFERENTIALLY INTO SAID SHELL, LONGITUDINAL WALL MEANS LOCATED CENTRALLY WITHIN SAID SHELL AND EXTENDING BETWEEN THE ENDS THEREOF TO DEFINE A PATH FOR SUCH FLUID STREAM WHICH PATH
Claim 2
Dependent Claim
81 words
A SEPARATING DEVICE FOR REMOVING FOREIGN PARTICLES ENTRAINED IN A FLUID STREAM COMPRISING, A GENERALLY CYLINDRICAL HOLLOW SHELL HAVING A CLEAN FLUID OUTLET ON ONE END THEREOF, AND A FOREIGN PARTICLE OUTLET AT THE OTHER END THEREOF, A TANGENTIAL INLET COMMUNICATING WITH THE INTERIOR OF SAID SHELL FOR DIRECTING SUCH A FLUID STREAM CIRCUMFERENTIALLY INTO SAID SHELL, LONGITUDINAL WALL MEANS LOCATED CENTRALLY WITHIN SAID SHELL AND EXTENDING BETWEEN THE ENDS THEREOF TO DEFINE A PATH FOR SUCH FLUID STREAM WHICH PATH
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |