US3342328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialyzer membrane storage assembly
Assignee: Individual
•
Filing: 1966-04-14
•
Granted: 1967-09-19
•
Expires: 1986-04-14
Abstract
No abstract record available.
Inventors
- 👤 Harvey F Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:41
CPC Classifications
B; B01; B01D; B01D67/00; B01D67/0081; B01D67/0097; B01D61/00; B01D61/24; B01D61/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A DIALYSIS MEMBRANE STORAGE ASSEMBLY WHICH COMPRISES AT LEAST ONE MEMBRANE ENVELOPE WHEREIN SAID MEMBRANE ENVELOPE COMPRISES A PAIR OF MEMBRANE SHEETS AND CLAMPING MEANS EDGE CLAMPING OPPOSING SIDES OF SAID MEMBRANE SHEETS TOGETHER; AND ENCLOSURE MEANS STERILELY SEALED AROUND SAID MEMBRANE ENVELOPE.
Claim 2
Dependent Claim
43 words
A DIALYSIS MEMBRANE STORAGE ASSEMBLY WHICH COMPRISES AT LEAST ONE MEMBRANE ENVELOPE WHEREIN SAID MEMBRANE ENVELOPE COMPRISES A PAIR OF MEMBRANE SHEETS AND CLAMPING MEANS EDGE CLAMPING OPPOSING SIDES OF SAID MEMBRANE SHEETS TOGETHER; AND ENCLOSURE MEANS STERILELY SEALED AROUND SAID MEMBRANE ENVELOPE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |