Patent US3501011A successfully refreshed from Google Patents.
US3501011A
Expired / Lapsed
US
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Liquid distribution means in dialysis means for purifying blood or other liquids
Assignee: Gambro AB
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Filing: 1968-03-04
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Granted: 1970-03-17
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Expires: 1988-03-04
Abstract
No abstract record available.
Inventors
- 👤 Nils Alwall
- 👤 Nils Olov Vilhelm Hagstrom
- 👤 Bo Lennart Ostergren
- 👤 Gerhard Riede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:57
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/24; B01D61/28; B01D63/00; B01D63/08; B01D63/082; B01D63/084
Claims Analysis
Total Claims: 0
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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) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |