Patent US3322285A successfully refreshed from Google Patents.
US3322285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter for washing apparatus
Assignee: Whirlpool Corp
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Filing: 1965-01-05
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Granted: 1967-05-30
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Expires: 1985-01-05
Abstract
No abstract record available.
Inventors
- 👤 Charles R Lopp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:02
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4202; A47L15/4204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A WASHING APPARATUS HAVING FORAMINOUS MEANS FOR FILTERING FROM WASHING LIQUID MATTER LARGER THAN A PRESELECTED SIZE AND PROVIDING CONTROLLED DELIVERY OF SAID MATTER SAID FORAMINOUS MEANS HAVING A FIRST PORTION PROVIDED WITH OPENINGS HAVING A SIZE SMALLER THAN SAID PRESELECTED SIZE, AND A SECOND PORTION PROVIDED WITH OPENINGS HAVING A SIZE LARGER THAN SAID PRESELECTED SIZE, THE IMPROVEMENT COMPRISING UPSTANDING WALL MEANS CARRIED BY SAID FORAMINOUS MEANS AND EXTENDING ACROSS AT LEAST A PORTION OF SAID FORAMINOUS MEANS FOR GUIDING A MAJOR PORTION OF THE WASHING LIQUID CARRYING SAID MATTER FROM OVER SAID FIRST PORTION INDIRECTLY TO OVER SAID SECOND PORTION AND A MINOR PORTION OF THE WASHING LIQUID CARRYING SAID MATTER FROM SAID FIRST PORTION DIRECTLY TO OVER SAID SECOND PORTION FOR DIRECTING SAID MATTER THROUGH THE OPEN INGS OF SAID SECOND PORTION.
Claim 2
Dependent Claim
136 words
IN A WASHING APPARATUS HAVING FORAMINOUS MEANS FOR FILTERING FROM WASHING LIQUID MATTER LARGER THAN A PRESELECTED SIZE AND PROVIDING CONTROLLED DELIVERY OF SAID MATTER SAID FORAMINOUS MEANS HAVING A FIRST PORTION PROVIDED WITH OPENINGS HAVING A SIZE SMALLER THAN SAID PRESELECTED SIZE, AND A SECOND PORTION PROVIDED WITH OPENINGS HAVING A SIZE LARGER THAN SAID PRESELECTED SIZE, THE IMPROVEMENT COMPRISING UPSTANDING WALL MEANS CARRIED BY SAID FORAMINOUS MEANS AND EXTENDING ACROSS AT LEAST A PORTION OF SAID FORAMINOUS MEANS FOR GUIDING A MAJOR PORTION OF THE WASHING LIQUID CARRYING SAID MATTER FROM OVER SAID FIRST PORTION INDIRECTLY TO OVER SAID SECOND PORTION AND A MINOR PORTION OF THE WASHING LIQUID CARRYING SAID MATTER FROM SAID FIRST PORTION DIRECTLY TO OVER SAID SECOND PORTION FOR DIRECTING SAID MATTER THROUGH THE OPEN INGS OF SAID SECOND PORTION.
References Cited (Backward Citations)
US2681658A
Cited
US2862510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |