US3266628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible impervious cartridge filter
Assignee: REID Manufacturing Inc
•
Filing: 1964-02-21
•
Granted: 1966-08-16
•
Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 Harold A Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:59
CPC Classifications
B; B01; B01D; B01D27/00; B01D27/02; B01D29/00; B01D29/01; B01D29/018; C; C02; C02F; C02F2201/00; C02F2201/002; C02F2201/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A FILTER ELEMENT COMPRISING: A TUBULAR ENVELOPE FORMED OF FLEXIBLE AND IMPERVIOUS MATERIAL; INTAKE AND DISCHARGE FILTERING MEMBERS MOUNTED INTERIORLY OF SAID ENVELOPE FOR RELATIVE AXIAL MOVEMENT AND TO FORM AXIALLY SPACE SEALS THEREWITH; AND A FILTERING MEDIUM CONFINED IN ENVELOPE BETWEEN SAID FILTERING MEMBERS; SAID FILTERING MEDIUM BEING SUBJECT TO BEING COMPACTED AND LATERALLY DISPLACED TO LATERALLY EXTEND PORTIONS OF THE ENVELOPE IN RESPONSE TO RELATIVE AXIAL MOVEMENT OF SAID FILTERING MEMBERS.
Claim 2
Dependent Claim
73 words
A FILTER ELEMENT COMPRISING: A TUBULAR ENVELOPE FORMED OF FLEXIBLE AND IMPERVIOUS MATERIAL; INTAKE AND DISCHARGE FILTERING MEMBERS MOUNTED INTERIORLY OF SAID ENVELOPE FOR RELATIVE AXIAL MOVEMENT AND TO FORM AXIALLY SPACE SEALS THEREWITH; AND A FILTERING MEDIUM CONFINED IN ENVELOPE BETWEEN SAID FILTERING MEMBERS; SAID FILTERING MEDIUM BEING SUBJECT TO BEING COMPACTED AND LATERALLY DISPLACED TO LATERALLY EXTEND PORTIONS OF THE ENVELOPE IN RESPONSE TO RELATIVE AXIAL MOVEMENT OF SAID FILTERING MEMBERS.
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |