Patent US1482499A successfully refreshed from Google Patents.
US3166393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Installed suction cleaner system
Assignee: Filtex Corp
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Filing: 1958-09-15
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Granted: 1965-01-19
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Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:18
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/38; Y; Y10; Y10S; Y10S55/00; Y10S55/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
248 words
A PERMANENTLY INSTALLED TYPE SUCTION CLEANER COMPRISING A MAIN OUTER CASING WITH MEANS FOR SECURING THE SAME TO A BUILDING WALL AND HAVING A REMOVABLE COVER FOR AN ACCESS OPENING THEREINTO, SAID OPENING HAVING A SEATING LEDGE, AN AIR PERVIOUS FILTERING MEANS SEATED ON SAID LEDGE, SAID COVER HAVING TUBULAR AIR DUCT MEANS SECURED THERETO AND OPENING AT ONE END INTO SAID FILTER MEANS AND THE OTHER END OF SAID DUCT MEANS BEING SHAPED TO OPEN INTO AND FORM AN AIRTIGHT SEAL WITH SUCTION AIR PASSAGE MEANS EXTERIORLY OF SAID CASING AND LEADING THROUGH DUCTING INSTALLED IN THE WALLS OF A DWELLING TO REMOTE AREAS OF A DWELLING TO BE CLEANED, A MOTOR DRIVEN AIR SUCTION ASSEMBLY DETACHABLY SUPPORTED AS A UNIT ON THE EXTERIOR OF SAID CASING INDEPENDENTLY OF SAID COVER AND HAVING AN AIR INLET OPENING INTO SAID CASING ON THE EXTERIOR SIDE OF SAID AIR FILTERING MEANS, A HOLLOW BRACKET FIXEDLY SECURED TO THE EXTERIOR SIDE WALL OF SAID CASING FOR SUPPORTING SAID MOTOR DRIVEN AIR SUCTION UNIT AND HAVING AN OUTLET OPENING INTO SAID SUCTION UNIT, FINAL FILTER MEANS IN SAID HOLLOW BRACKET, SAID HOLLOW BRACKET HAVING AN INLET OPENING THROUGH THE WALL OF SAID CASING AND INTO THE INLET END OF SAID AIR SUCTION UNIT, SAID HOLLOW BRACKET HAVING A NORMALLY CLOSED ACCESS OPENING THROUGH THE WALL THEREOF LOCATED BETWEEN SAID INLET AND SAID OUTLET OPENINGS, AND A CLOSURE FOR SAID ACCESS OPENING INCLUDING MEANS FOR SUPPORTING AND POSITIONING SAID FINAL FILTER MEANS.
Claim 2
Dependent Claim
248 words
A PERMANENTLY INSTALLED TYPE SUCTION CLEANER COMPRISING A MAIN OUTER CASING WITH MEANS FOR SECURING THE SAME TO A BUILDING WALL AND HAVING A REMOVABLE COVER FOR AN ACCESS OPENING THEREINTO, SAID OPENING HAVING A SEATING LEDGE, AN AIR PERVIOUS FILTERING MEANS SEATED ON SAID LEDGE, SAID COVER HAVING TUBULAR AIR DUCT MEANS SECURED THERETO AND OPENING AT ONE END INTO SAID FILTER MEANS AND THE OTHER END OF SAID DUCT MEANS BEING SHAPED TO OPEN INTO AND FORM AN AIRTIGHT SEAL WITH SUCTION AIR PASSAGE MEANS EXTERIORLY OF SAID CASING AND LEADING THROUGH DUCTING INSTALLED IN THE WALLS OF A DWELLING TO REMOTE AREAS OF A DWELLING TO BE CLEANED, A MOTOR DRIVEN AIR SUCTION ASSEMBLY DETACHABLY SUPPORTED AS A UNIT ON THE EXTERIOR OF SAID CASING INDEPENDENTLY OF SAID COVER AND HAVING AN AIR INLET OPENING INTO SAID CASING ON THE EXTERIOR SIDE OF SAID AIR FILTERING MEANS, A HOLLOW BRACKET FIXEDLY SECURED TO THE EXTERIOR SIDE WALL OF SAID CASING FOR SUPPORTING SAID MOTOR DRIVEN AIR SUCTION UNIT AND HAVING AN OUTLET OPENING INTO SAID SUCTION UNIT, FINAL FILTER MEANS IN SAID HOLLOW BRACKET, SAID HOLLOW BRACKET HAVING AN INLET OPENING THROUGH THE WALL OF SAID CASING AND INTO THE INLET END OF SAID AIR SUCTION UNIT, SAID HOLLOW BRACKET HAVING A NORMALLY CLOSED ACCESS OPENING THROUGH THE WALL THEREOF LOCATED BETWEEN SAID INLET AND SAID OUTLET OPENINGS, AND A CLOSURE FOR SAID ACCESS OPENING INCLUDING MEANS FOR SUPPORTING AND POSITIONING SAID FINAL FILTER MEANS.
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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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |