US3296944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swab construction
Assignee: Jackson Memorial Hospital
•
Filing: 1965-02-08
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Granted: 1967-01-10
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Raymond G Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:59
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A WELL SWAB ADAPTED TO BE LOWERED IN A WELL PIPE AND ELEVATED TO LIFT A BODY OF FLUID COMPRISING: A RIGID SUPPORT, A RUBBER-LIKE BODY ON SAID SUPPORT, SAID BODY HAVING INTEGRAL THEREWITH A DISC-LIKE MEMBER AND A SUBJACENT SUPPORTING MEMBER EXTENDING RADIALLY THEREFORM IN SPACED RELATION LONGITUDINALLY OF SAID SUPPORT, SAID DISC BEING FLEXIBLE UPWARDLY AWAY FROM SAID SUPPORTING MEMBER AND DOWNWARDLY INTO ENGAGEMENT WITH SAID SUPPORTING MEMBER, SAID SUPPORTING MEMBER COOPERATING WITH SAID DISC TO RESIST DOWNWARD FLEXURE OF THE LATTER, AND WHEREIN SAID DISC-LIKE MEMBER HAS AN UPWARDLY EXTENDED FLANGE ABOUT ITS OUTER PERIPHERY.
Claim 2
Dependent Claim
98 words
A WELL SWAB ADAPTED TO BE LOWERED IN A WELL PIPE AND ELEVATED TO LIFT A BODY OF FLUID COMPRISING: A RIGID SUPPORT, A RUBBER-LIKE BODY ON SAID SUPPORT, SAID BODY HAVING INTEGRAL THEREWITH A DISC-LIKE MEMBER AND A SUBJACENT SUPPORTING MEMBER EXTENDING RADIALLY THEREFORM IN SPACED RELATION LONGITUDINALLY OF SAID SUPPORT, SAID DISC BEING FLEXIBLE UPWARDLY AWAY FROM SAID SUPPORTING MEMBER AND DOWNWARDLY INTO ENGAGEMENT WITH SAID SUPPORTING MEMBER, SAID SUPPORTING MEMBER COOPERATING WITH SAID DISC TO RESIST DOWNWARD FLEXURE OF THE LATTER, AND WHEREIN SAID DISC-LIKE MEMBER HAS AN UPWARDLY EXTENDED FLANGE ABOUT ITS OUTER PERIPHERY.
References Cited (Backward Citations)
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Cited
US2581981A
Cited
US2633808A
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US2719768A
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US2975722A
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US3023062A
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |