Patent US599846A successfully refreshed from Google Patents.
Patent US3143496A successfully refreshed from Google Patents.
US3143496A
Expired / Lapsed
US
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Magnetic filter apparatus and method
Assignee: Consolidated Edison Company of New York Inc
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Filing: 1962-02-08
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Granted: 1964-08-04
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Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 Charles B Maretzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:21
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/28; B03C1/288; B03C1/286; B03C2201/00; B03C2201/18; B03C2201/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF CLEANING OUT ACCUMULATIONF OF MAGNETIC PARTICLES FROM A MAGNETIC TYPE FILTER WHICH INCLUDES VERTICALLY DISPOSED NON-MAGNETIC TUBE MEANS HAVING ITS LOWER END OPEN TO THE EXTERIOR OF SAID FILTER, AND MAGNET ROD MEANS NORMALLY POSITIONED AND SLIDABLE WITHIN SAID TUBE MEANS, AND AN OPENABLE DRAIN MEANS AT THE BOTTOM OF THE FILTER, COMPRISING THE STEPS OF FILLING SAID FILTER WITH LIQUID, THEN SLIDING SAID MAGNET ROD MEANS SUBSTANTIALLY OUT FROM SAID LOWER END OF THE TUBE MEANS, AND OPENING SAID DRAIN MEANS TO PERMIT SAID LIQUID TO FLOW BY GRAVITY THERETHROUGH AND OUT OF SAID FILTER.
Claim 2
Independent Claim
99 words
THE METHOD OF CLEANING OUT ACCUMULATIONF OF MAGNETIC PARTICLES FROM A MAGNETIC TYPE FILTER WHICH INCLUDES VERTICALLY DISPOSED NON-MAGNETIC TUBE MEANS HAVING ITS LOWER END OPEN TO THE EXTERIOR OF SAID FILTER, AND MAGNET ROD MEANS NORMALLY POSITIONED AND SLIDABLE WITHIN SAID TUBE MEANS, AND AN OPENABLE DRAIN MEANS AT THE BOTTOM OF THE FILTER, COMPRISING THE STEPS OF FILLING SAID FILTER WITH LIQUID, THEN SLIDING SAID MAGNET ROD MEANS SUBSTANTIALLY OUT FROM SAID LOWER END OF THE TUBE MEANS, AND OPENING SAID DRAIN MEANS TO PERMIT SAID LIQUID TO FLOW BY GRAVITY THERETHROUGH AND OUT OF SAID FILTER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |