Patent US3222848A successfully refreshed from Google Patents.
US3222848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic air cleaner
Assignee: Meritor Inc
•
Filing: 1962-04-16
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Granted: 1965-12-14
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert L Koble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:07
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
IN AN ELECTROSTATIC AIR CLEANER THE COMBINATION OF: A CABINET HAVING AN OPEN SIDE PORTION FORMING A FLUID INLET FOR SAID CABINET; A GRID FRAME MOUNTED IN SAID OPEN SIDE PORTION; AN ELECTROSTATIC GRIND HAVING AN OUTLET SIDE AND AN OPPOSITE INLET SIDE, SAID INLET SIDE DISPOSED TOWARD SAID FLUID INLET, SAID GRID REMOVABLY MOUNTED IN SAID FRAME AND NORMALLY EXTENDING OVER A SUBSTANTIAL AREA OF SAID OPEN SIDE PORTION OF SAID CABINET; FIRST MEANS IN SAID CABINET FOR FORCING AIR THROUGH SAID GRID; AND SECOND MEANS PIVOTALLY MOUNTING ONE END OF SAID GRID FRAME ON SAID CABINET AND ON A SUBSTANTIALLY VERTICAL AXIS WHEREBY THE OPPOSITE END OF SAID GRID FRAME MAY BE SWUNG CLEAR OF SAID OPEN SIDE PORTION OF SAID CABINET; AND THIRD MEANS PERMITTING REMOVAL OF SAID GRID FROM SAID OPPOSITE END OF SAID GRID FRAME WHEN SAID GRID FRAME AT SAID OPPOSITE END IS SWUNG CLEAR OF SAID OPEN SIDE PORTION OF SAID CABINET; A LINT SCREEN REMOVABLY MOUNTED IN SAID GRID FRAME AT THE INLET SIDE OF SAID GRID AND REMOVABLE FROM SAID GRID FRAME AT SAID OPPOSITE END THEREOF WHEN IT IS SWUNG CLEAR
Claim 2
Dependent Claim
191 words
IN AN ELECTROSTATIC AIR CLEANER THE COMBINATION OF: A CABINET HAVING AN OPEN SIDE PORTION FORMING A FLUID INLET FOR SAID CABINET; A GRID FRAME MOUNTED IN SAID OPEN SIDE PORTION; AN ELECTROSTATIC GRIND HAVING AN OUTLET SIDE AND AN OPPOSITE INLET SIDE, SAID INLET SIDE DISPOSED TOWARD SAID FLUID INLET, SAID GRID REMOVABLY MOUNTED IN SAID FRAME AND NORMALLY EXTENDING OVER A SUBSTANTIAL AREA OF SAID OPEN SIDE PORTION OF SAID CABINET; FIRST MEANS IN SAID CABINET FOR FORCING AIR THROUGH SAID GRID; AND SECOND MEANS PIVOTALLY MOUNTING ONE END OF SAID GRID FRAME ON SAID CABINET AND ON A SUBSTANTIALLY VERTICAL AXIS WHEREBY THE OPPOSITE END OF SAID GRID FRAME MAY BE SWUNG CLEAR OF SAID OPEN SIDE PORTION OF SAID CABINET; AND THIRD MEANS PERMITTING REMOVAL OF SAID GRID FROM SAID OPPOSITE END OF SAID GRID FRAME WHEN SAID GRID FRAME AT SAID OPPOSITE END IS SWUNG CLEAR OF SAID OPEN SIDE PORTION OF SAID CABINET; A LINT SCREEN REMOVABLY MOUNTED IN SAID GRID FRAME AT THE INLET SIDE OF SAID GRID AND REMOVABLE FROM SAID GRID FRAME AT SAID OPPOSITE END THEREOF WHEN IT IS SWUNG CLEAR
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |