US3236033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trash separator for suction cleaners
Assignee: Individual
•
Filing: 1962-09-20
•
Granted: 1966-02-22
•
Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Thompson Miles Courtney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:29
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN AIR SUCTION CLEANER OF THE TYPE DEFINED HAVING AN AIR IMPELLER COMMUNICATING WITH A SUCTION NOZZLE FOR CREATING AN AIR SUCTION AT SAID NOZZLE AND PROPELLING SAID AIR AND ITS ENTRAINED GLEANINGS THROUGH A DISCHARGE CONDUIT OF ELBOW-FORM HAVING ONE END IN COMMUNICATION WITH SAID IMPELLER AND THE OTHER END BEING A DISCHARGE OUTLET; THE IMPROVEMENT COMPRISING A GLEANING SEPARATOR MEANS POSITIONED WITHIN AND EXTENDING LONGITUDINALLY AND INWARDLY OF AND ALONG THE OUTER SIDE WALL OF THE DISCHARGE OUTLET END PORTION OF SAID CONDUIT TO FORM A TUBULAR NONFORAMINOUS PASSAGE OPEN AT BOTTOM TO ITS ENDS AND OF A CROSS-SECTION AREA LESS THAN ONE-HALF OF THE CROSS-SECTIONAL AREA OF SAID CONDUIT, THE INNERMOST END OF SAID TUBULAR PASSAGE BEING FORMED AND ARRANGED TO CONFRONT THE FLOW OF SAID PROPELLED AIR AND ITS ENTRAINED GLEANINGS PASSING
Claim 2
Dependent Claim
137 words
IN AN AIR SUCTION CLEANER OF THE TYPE DEFINED HAVING AN AIR IMPELLER COMMUNICATING WITH A SUCTION NOZZLE FOR CREATING AN AIR SUCTION AT SAID NOZZLE AND PROPELLING SAID AIR AND ITS ENTRAINED GLEANINGS THROUGH A DISCHARGE CONDUIT OF ELBOW-FORM HAVING ONE END IN COMMUNICATION WITH SAID IMPELLER AND THE OTHER END BEING A DISCHARGE OUTLET; THE IMPROVEMENT COMPRISING A GLEANING SEPARATOR MEANS POSITIONED WITHIN AND EXTENDING LONGITUDINALLY AND INWARDLY OF AND ALONG THE OUTER SIDE WALL OF THE DISCHARGE OUTLET END PORTION OF SAID CONDUIT TO FORM A TUBULAR NONFORAMINOUS PASSAGE OPEN AT BOTTOM TO ITS ENDS AND OF A CROSS-SECTION AREA LESS THAN ONE-HALF OF THE CROSS-SECTIONAL AREA OF SAID CONDUIT, THE INNERMOST END OF SAID TUBULAR PASSAGE BEING FORMED AND ARRANGED TO CONFRONT THE FLOW OF SAID PROPELLED AIR AND ITS ENTRAINED GLEANINGS PASSING
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |