Patent US3341022A successfully refreshed from Google Patents.
US3341022A
Expired / Lapsed
US
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Dialyzer assembling means
Assignee: Bayer Corp
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Filing: 1964-11-16
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Granted: 1967-09-12
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Isreeli Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:33
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/24; B01D61/28; B01D63/00; B01D63/08; B01D63/087; B01D2313/00; B01D2313/02; Y; Y10; Y10S; Y10S159/00; Y10S159/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A DIALYZER COMPRISING: TWO COMPANION PLATE MEMBERS, EACH HAVING A SURFACE WITH A GROOVE THEREIN; MEANS FOR MOUNTING SAID MEMBERS WITH SAID SURFACES IN CONFRONTING FACE-TO-FACE RELATION, WITH SAID GROOVES IN MUTUAL REGISTER TO FORM A CHAMBER, INCLUDING TWO CONFRONTING SHELL MEMBERS INTERCOUPLED BY ALIGNING AND INTERLOCKING MEANS; EACH OF SAID PLATE MEMBERS HAVING TWO INTEGRAL TUBE FITTINGS PROJECTING THEREFROM, AND TWO PASSAGEWAYS, EACH PASSAGEWAY PROVIDING A FLUID FLOW COMMUNICATION BETWEEN A RESPECTIVE TUBE FITTING AND A RESPECTIVE END OF SAID CHAMBER FORMING GROOVE; EACH OF SAID SHELL MEMBERS HAVING TWO APERTURES THEREIN, EACH FOR PASSING A RESPECTIVE TUBE FITTING THERETHROUGH; EACH OF SAID PLATE MEMBERS HAVING A PLURALITY OF CAVITIES THEREIN FOR PROVIDING SAID RESPECTIVE PLATE MEMBER WITH RESILIENCY, WHEREBY SAID RESPECTIVE PLATE MEMBER MAY BE RESILIENTLY DISTORTED WHEN BEING ASSEMBLED INTO SAID RESPECTIVE SHELL MEMBER; A MEMBRANE DISPOSED BETWEEN SAID PLATE MEMBERS; MEANS FOR ENGAGING SAID MEMBRANE AROUND SAID CHAMBER AND TAUTENING THE INCLUDED PORTION OF SAID MEMBRANE WHILE SAID PLATE MEMBERS ARE BEING MOUNTED IN CONFRONTATION.
Claim 2
Dependent Claim
169 words
A DIALYZER COMPRISING: TWO COMPANION PLATE MEMBERS, EACH HAVING A SURFACE WITH A GROOVE THEREIN; MEANS FOR MOUNTING SAID MEMBERS WITH SAID SURFACES IN CONFRONTING FACE-TO-FACE RELATION, WITH SAID GROOVES IN MUTUAL REGISTER TO FORM A CHAMBER, INCLUDING TWO CONFRONTING SHELL MEMBERS INTERCOUPLED BY ALIGNING AND INTERLOCKING MEANS; EACH OF SAID PLATE MEMBERS HAVING TWO INTEGRAL TUBE FITTINGS PROJECTING THEREFROM, AND TWO PASSAGEWAYS, EACH PASSAGEWAY PROVIDING A FLUID FLOW COMMUNICATION BETWEEN A RESPECTIVE TUBE FITTING AND A RESPECTIVE END OF SAID CHAMBER FORMING GROOVE; EACH OF SAID SHELL MEMBERS HAVING TWO APERTURES THEREIN, EACH FOR PASSING A RESPECTIVE TUBE FITTING THERETHROUGH; EACH OF SAID PLATE MEMBERS HAVING A PLURALITY OF CAVITIES THEREIN FOR PROVIDING SAID RESPECTIVE PLATE MEMBER WITH RESILIENCY, WHEREBY SAID RESPECTIVE PLATE MEMBER MAY BE RESILIENTLY DISTORTED WHEN BEING ASSEMBLED INTO SAID RESPECTIVE SHELL MEMBER; A MEMBRANE DISPOSED BETWEEN SAID PLATE MEMBERS; MEANS FOR ENGAGING SAID MEMBRANE AROUND SAID CHAMBER AND TAUTENING THE INCLUDED PORTION OF SAID MEMBRANE WHILE SAID PLATE MEMBERS ARE BEING MOUNTED IN CONFRONTATION.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |