US3234714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filtering systems and filters for use therein
Assignee: Federal Mogul Sealing Systems Slough Ltd
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Filing: 1963-01-30
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Granted: 1966-02-15
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Rymer Jesse Talbot
- 👤 Stanley P Witchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:28
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/52; B01D46/521; B01D46/523; B01D46/0039; B01D46/0041; B01D46/0043; B01D46/24; B01D46/2403; B01D46/2411; B01D46/42; B01D46/4272; B01D46/66; B01D46/70; B01D46/71; F; F24; F24F; F24F13/00; F24F13/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A FILTER ELEMENT FOR USE IN A CLEANER FOR THE REMOVAL OF IMPURITIES FROM A FLUID STREAM, SAID ELEMENT COMPRISING, IN COMBINATION, A TUBULAR MEMBER CONSISTING OF A CONTINUOUS PERVIOUS WALL FORMED WITH RADIALLY SPACED LONGITUDINALLY EXTENDING PLEATS, TWO CAPS MOLDED RESPECTIVELY TO THE ENDS OF SAID TUBULAR MEMBER TO COVER THE ENDS OF SAID PELATS, AND A PLURALITY OF SCOOPS DISTRIBUTED AROUND SAID TUBULAR MEMBER SO AS TO COVER ONE FACE THEREOF, EACH OF SAID SCOOPS EXTENDING LONGITUDINALLY FROM ONE OF SAID CAPS SUBSTANTIALLY TO THE OTHER OF SAID CAPS, SAID SCOOPS BEING OPEN TO SAID WALL ALONG ITS LENGTH FOR COMMUNICATION THEREBETWEEN, AND EACH OF SAID SCOOPS BEING OPEN AT ONE END AND CLOSED AT THE OTHER END.
Claim 2
Dependent Claim
120 words
A FILTER ELEMENT FOR USE IN A CLEANER FOR THE REMOVAL OF IMPURITIES FROM A FLUID STREAM, SAID ELEMENT COMPRISING, IN COMBINATION, A TUBULAR MEMBER CONSISTING OF A CONTINUOUS PERVIOUS WALL FORMED WITH RADIALLY SPACED LONGITUDINALLY EXTENDING PLEATS, TWO CAPS MOLDED RESPECTIVELY TO THE ENDS OF SAID TUBULAR MEMBER TO COVER THE ENDS OF SAID PELATS, AND A PLURALITY OF SCOOPS DISTRIBUTED AROUND SAID TUBULAR MEMBER SO AS TO COVER ONE FACE THEREOF, EACH OF SAID SCOOPS EXTENDING LONGITUDINALLY FROM ONE OF SAID CAPS SUBSTANTIALLY TO THE OTHER OF SAID CAPS, SAID SCOOPS BEING OPEN TO SAID WALL ALONG ITS LENGTH FOR COMMUNICATION THEREBETWEEN, AND EACH OF SAID SCOOPS BEING OPEN AT ONE END AND CLOSED AT THE OTHER END.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |