Patent US3312221A successfully refreshed from Google Patents.
US3312221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urinary drainage apparatus
Assignee: Individual
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Filing: 1963-10-25
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Granted: 1967-04-04
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred P H Overment
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:10
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/4404; A61F5/441; A61G; A61G7/00; A61G7/05; A61G7/0503; Y; Y10; Y10S; Y10S128/00; Y10S128/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
EQUIPMENT OF THE CLASS DESCRIBED COMPRISING, A FLUID RECEPTACLE HAVING AN INFLOW TUBE FIXEDLY CONNECTED TO SAID RECEPTACLE FOR DRAINAGE OF LIQUID THEREINTO, A UNIDIRECTIONAL VALVE MEANS ON THE END OF SAID TUBE, SAID VALVE MEANS COMPRISING A PAIR OF SUPERIMPOSED LAYERS OF FLEXIBLE PLASTIC IN FACE-TO-FACE CONTACT WITH EACH OTHER AND WELDED TOGETHER ALONG NARROW PORTIONS OF THEIR RESPECTIVE LATERAL MARGINS WITHOUT DEFORMATION OF THE SAID LAYERS AND ALONG ONE END TO EMBRACE THE INNER END OF THE INFLOW TUBE AND TO DISPOSE THE VALVE MEANS IN SUSPENSION FROM THE SAID INFLOW TUBE, THE OTHER END OF THE VALVE MEANS EXTENDING FREELY WITHIN THE RECEPTACLE, AND A PERFORATE CONTAINER
Claim 2
Dependent Claim
110 words
EQUIPMENT OF THE CLASS DESCRIBED COMPRISING, A FLUID RECEPTACLE HAVING AN INFLOW TUBE FIXEDLY CONNECTED TO SAID RECEPTACLE FOR DRAINAGE OF LIQUID THEREINTO, A UNIDIRECTIONAL VALVE MEANS ON THE END OF SAID TUBE, SAID VALVE MEANS COMPRISING A PAIR OF SUPERIMPOSED LAYERS OF FLEXIBLE PLASTIC IN FACE-TO-FACE CONTACT WITH EACH OTHER AND WELDED TOGETHER ALONG NARROW PORTIONS OF THEIR RESPECTIVE LATERAL MARGINS WITHOUT DEFORMATION OF THE SAID LAYERS AND ALONG ONE END TO EMBRACE THE INNER END OF THE INFLOW TUBE AND TO DISPOSE THE VALVE MEANS IN SUSPENSION FROM THE SAID INFLOW TUBE, THE OTHER END OF THE VALVE MEANS EXTENDING FREELY WITHIN THE RECEPTACLE, AND A PERFORATE CONTAINER
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |