US3193993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air inlet filter for a parenteral solution container
Assignee: Don Baxter Inc
•
Filing: 1963-02-01
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Granted: 1965-07-13
•
Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Barton
- 👤 Heckel Hermann
- 👤 Prickett Paul
- 👤 Edward G Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:29
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/162; A61M2005/1623
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
AN AIR FILTER APPARATUS FOR ADMINISTERING AIR INTO A PARENTERAL LIQUID CONTAINER, WHICH AIR FILTER APPARATUS COMPRISES: AN ELONGATED BODY WITH A PASSAGE BETWEEN A FIRST PARTIALLY CLOSED END AND A SECOND CLOSED END THEREOF; A CANNULA EXTENDING FROM AND CONNECTED TO THE FIRST PARTIALLY CLOSED END OF SAID ELONGATED BODY, WHICH CANNULA HAS A BORE COMMUNICATING WITH THE PASSAGE OF THE ELONGATED BODY; AN AIR PERMEABLE FILTER SEALED IN AND BLOCKING OFF SAID OPEN PASSAGE OF THE ELONGATED BODY AT A POINT REMOTE FROM THE FIRST END; SAID ELONGATED BODY HAVING AN AIR INLET OPENING IN A WALL THEREOF BETWEEN THE AIR PERMEABLE FILTER AND THE SECOND CLOSED END, WHEREBY AIR ENTERING SAID AIR INLET OPENING PASSES THROUGH SAID AIR PERMEABLE FILTER PRIOR TO ENTERING THE BORE OF SAID CANNULA; AND
Claim 2
Dependent Claim
132 words
AN AIR FILTER APPARATUS FOR ADMINISTERING AIR INTO A PARENTERAL LIQUID CONTAINER, WHICH AIR FILTER APPARATUS COMPRISES: AN ELONGATED BODY WITH A PASSAGE BETWEEN A FIRST PARTIALLY CLOSED END AND A SECOND CLOSED END THEREOF; A CANNULA EXTENDING FROM AND CONNECTED TO THE FIRST PARTIALLY CLOSED END OF SAID ELONGATED BODY, WHICH CANNULA HAS A BORE COMMUNICATING WITH THE PASSAGE OF THE ELONGATED BODY; AN AIR PERMEABLE FILTER SEALED IN AND BLOCKING OFF SAID OPEN PASSAGE OF THE ELONGATED BODY AT A POINT REMOTE FROM THE FIRST END; SAID ELONGATED BODY HAVING AN AIR INLET OPENING IN A WALL THEREOF BETWEEN THE AIR PERMEABLE FILTER AND THE SECOND CLOSED END, WHEREBY AIR ENTERING SAID AIR INLET OPENING PASSES THROUGH SAID AIR PERMEABLE FILTER PRIOR TO ENTERING THE BORE OF SAID CANNULA; AND
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |