US3017879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertility tester
Assignee: WESTON LAB Inc
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Filing: 1958-10-03
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Granted: 1962-01-23
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Expires: 1978-10-03
Abstract
No abstract record available.
Inventors
- 👤 Donald T Sapit
- 👤 Jr Frank J Ewers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:30
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/0012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
AN APPARATUS ESPECIALLY ADAPTED FOR INSERTION IN A BODY CAVITY TO EFFECT A TEST OF CONDITIONS EXISTING SOME DISTANCE THEREWITHIN IN FREEDOM FROM CONTAMINATION BY FLUIDS ALONG THE INNER WALLS OF SAID CAVITY LEADING TO THE SITE OF THE DESIRED TEST WHICH APPARATUS COMPRISES AN OUTER TUBE OPEN AT BOTH ENDS, A PLUNGER OF LENGTH GREATER THAN SAID TUBE WHICH IS ADAPTED FOR MOVEMENT WITHIN SAID TUBE AND FOR PROJECTION THEREFROM, THE TEST END OF SAID PLUNGER BEING ADAPTED FOR ATTACHMENT OF A TEST PAPER AND THE OTHER END ADAPTED TO BE GRASPED IN THE HAND OF THE PERSON MOVING THE PLUNGER WITHIN SAID TUBE, LIMIT MEANS FOR FIXING THE STROKE OF SAID PLUNGER WITHIN SAID TUBE TO PERMIT THE TEST END OF SAID PLUNGER TO PROJECT ONLY A PREDETERMINED DISTANCE THEREFROM, A TESTING MATERIAL COVERING THE TEST END OF SAID PLUNGER WHICH IS SENSITIVE TO THE PRESENCE OF A PRESELECTED BODY FLUID, WHICH TESTING MATERIAL EXTENDS FROM THE TIP OF SAID TEST END BACK ALONG SAID PLUNGER TO A LOCATION SUCH THAT WHEN THE PLUNGER IS MOVED TO THE FORWARD LIMIT OF ITS STROKE A SIGNIFICANT PORTION OF SAID TESTING MATERIAL STAYS WITHIN SAID TUBE AND IS THEREBY FREE FROM CONTACT WITH THE INTERIOR OF SAID BODY OPENING AND REMOVABLE MEANS CLAMPING SAID TESTING MATERIAL ON SAID PLUNGER WITHIN SAID TUBE.
Claim 2
Independent Claim
222 words
AN APPARATUS ESPECIALLY ADAPTED FOR INSERTION IN A BODY CAVITY TO EFFECT A TEST OF CONDITIONS EXISTING SOME DISTANCE THEREWITHIN IN FREEDOM FROM CONTAMINATION BY FLUIDS ALONG THE INNER WALLS OF SAID CAVITY LEADING TO THE SITE OF THE DESIRED TEST WHICH APPARATUS COMPRISES AN OUTER TUBE OPEN AT BOTH ENDS, A PLUNGER OF LENGTH GREATER THAN SAID TUBE WHICH IS ADAPTED FOR MOVEMENT WITHIN SAID TUBE AND FOR PROJECTION THEREFROM, THE TEST END OF SAID PLUNGER BEING ADAPTED FOR ATTACHMENT OF A TEST PAPER AND THE OTHER END ADAPTED TO BE GRASPED IN THE HAND OF THE PERSON MOVING THE PLUNGER WITHIN SAID TUBE, LIMIT MEANS FOR FIXING THE STROKE OF SAID PLUNGER WITHIN SAID TUBE TO PERMIT THE TEST END OF SAID PLUNGER TO PROJECT ONLY A PREDETERMINED DISTANCE THEREFROM, A TESTING MATERIAL COVERING THE TEST END OF SAID PLUNGER WHICH IS SENSITIVE TO THE PRESENCE OF A PRESELECTED BODY FLUID, WHICH TESTING MATERIAL EXTENDS FROM THE TIP OF SAID TEST END BACK ALONG SAID PLUNGER TO A LOCATION SUCH THAT WHEN THE PLUNGER IS MOVED TO THE FORWARD LIMIT OF ITS STROKE A SIGNIFICANT PORTION OF SAID TESTING MATERIAL STAYS WITHIN SAID TUBE AND IS THEREBY FREE FROM CONTACT WITH THE INTERIOR OF SAID BODY OPENING AND REMOVABLE MEANS CLAMPING SAID TESTING MATERIAL ON SAID PLUNGER WITHIN SAID TUBE.
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |