Patent US4361139A successfully refreshed from Google Patents.
US3133847A
Expired / Lapsed
US
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Fluid filters
Assignee: Tecalemit Ltd
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Filing: 1960-12-02
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Granted: 1964-05-19
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Millington Henry Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:47
CPC Classifications
B; B31; B31D; B31D5/00; B31D5/0082; B01; B01D; B01D29/00; B01D29/11; B01D29/111; B01D29/13; B01D29/15; B01D29/21; B01D2201/00; B01D2201/12; Y; Y10; Y10T; Y10T156/00; Y10T156/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN CONSTRUCTING A FILTER ELEMENT OF SHEET FILTERING, MATERIAL FORMED INTO A SHAPE HAVING, AT LEAST, ONE END THEREOF PROVIDED WITH A PLURALITY OF ADJACENT EDGE PORTIONS WHICH ARE SPACED APART LATERALLY FROM EACH OTHER, THE METHOD OF FORMING A CLOSURE FOR SAID END OF THE FILTER ELEMENT TO CONTROL THE PASSAGE OF FLUD AND TO ASSURE THAT FLUD, TO BE FILTERED, PASSES THROUGH THE FILTER MATERIAL, WHICH METHOD COMPRISES DISHCARGING UNDER PRESSURE DROPLETS OF AN ADHESIVE SUBSTANTCE IN FORM OF A SPRAYED JET LATERALLY OF AND ONTO SAID EDGE PORTIONS AT AN ACUTE ANGLE RELATIVE TO A PLANE EXTENDING FROM ONE ADJACENT EDGE PORTION TO THE OTHER, WHILE CAUSING RELATIVE ROTARY MOVEMENT OF THE JET OF SAID SPRAYED SUBSTANCE LATERALLY WITH RESPECT TO THE SAID EDGE PORTIONS TO BUILD WEBS OF SAID SUBSTANCE
Claim 2
Dependent Claim
134 words
IN CONSTRUCTING A FILTER ELEMENT OF SHEET FILTERING, MATERIAL FORMED INTO A SHAPE HAVING, AT LEAST, ONE END THEREOF PROVIDED WITH A PLURALITY OF ADJACENT EDGE PORTIONS WHICH ARE SPACED APART LATERALLY FROM EACH OTHER, THE METHOD OF FORMING A CLOSURE FOR SAID END OF THE FILTER ELEMENT TO CONTROL THE PASSAGE OF FLUD AND TO ASSURE THAT FLUD, TO BE FILTERED, PASSES THROUGH THE FILTER MATERIAL, WHICH METHOD COMPRISES DISHCARGING UNDER PRESSURE DROPLETS OF AN ADHESIVE SUBSTANTCE IN FORM OF A SPRAYED JET LATERALLY OF AND ONTO SAID EDGE PORTIONS AT AN ACUTE ANGLE RELATIVE TO A PLANE EXTENDING FROM ONE ADJACENT EDGE PORTION TO THE OTHER, WHILE CAUSING RELATIVE ROTARY MOVEMENT OF THE JET OF SAID SPRAYED SUBSTANCE LATERALLY WITH RESPECT TO THE SAID EDGE PORTIONS TO BUILD WEBS OF SAID SUBSTANCE
References Cited (Backward Citations)
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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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |