US3092581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter element
Assignee: Individual
•
Filing: 1960-04-11
•
Granted: 1963-06-04
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Myron I Jaffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:22
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A FILTER CONSTRUCTION CCOMPRISING AN ALONGATED CORE HAVING A PASSAGE EXTENDING FROM ONE END TO A POINT SHORT OF THE OTHER END, SAID CORE HAVING A SPRIAL GROOVE FORMED ON THE OUTER SURFACE THEREOF IMMEDIATE SAID ENDS WITH A PLURALITY OF HOLES EXTENDING THROUGH SAID CORE FROM SAID PASSAGE TO A RADIAL INNERMOST PORTION OF SAID GROOVE, A WIRE MESH CLOTH WRAPPED ABOUT AND CONTRACTING RIDGES FORMED BY SAID GROOVE AND COVERING IN SPACED RELATION SAID HOLES, A RATINING WIRE WRAPPED ABOUT SAID CLOTH AND SECURING IT OVER SAID CORE, AND A CENTRAL PORTION OF A POROUS SINTERED METAL CASING COVERING SAID GROOVES AND WIRE CLOTH AND CONTIGUOUS WITH SAID WIRE CLOTH.
Claim 2
Dependent Claim
112 words
A FILTER CONSTRUCTION CCOMPRISING AN ALONGATED CORE HAVING A PASSAGE EXTENDING FROM ONE END TO A POINT SHORT OF THE OTHER END, SAID CORE HAVING A SPRIAL GROOVE FORMED ON THE OUTER SURFACE THEREOF IMMEDIATE SAID ENDS WITH A PLURALITY OF HOLES EXTENDING THROUGH SAID CORE FROM SAID PASSAGE TO A RADIAL INNERMOST PORTION OF SAID GROOVE, A WIRE MESH CLOTH WRAPPED ABOUT AND CONTRACTING RIDGES FORMED BY SAID GROOVE AND COVERING IN SPACED RELATION SAID HOLES, A RATINING WIRE WRAPPED ABOUT SAID CLOTH AND SECURING IT OVER SAID CORE, AND A CENTRAL PORTION OF A POROUS SINTERED METAL CASING COVERING SAID GROOVES AND WIRE CLOTH AND CONTIGUOUS WITH SAID WIRE CLOTH.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |