US3338239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical puncturing device
Assignee: MSA Safety Inc
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Filing: 1964-10-08
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Granted: 1967-08-29
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Mausteller John Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:46
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/150022; A61B5/150374; A61B5/150381; A61B5/150412; A61B5/150435; A61B5/150473; A61B5/150496; A61B5/150503; A61B5/150519; A61B5/151; A61B5/15101; A61B5/15103; A61B5/15105; A61B5/15186; A61B5/15188; A61B5/15192; A61B5/15194; A61B5/150206; A61B5/150305; A61B5/150732; A61B5/15115; A61B5/15123; A61B5/15126; A61B5/1513
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A SURGICAL PUNCTURING DEVICE COMPRISING A CYLINDRICAL HOUSING HAVING AN END FACE, AN AXIAL BORE OPENING AT SAID END FACE, A PLUNGER WITHIN SAID AXIAL BORE EXTENDABLE BEYOND SAID END FACE, RESILIENT MEANS TO URGE SAID PLUNGER TO A RETRACTED POSITION AWAY FROM SAID END FACE, A PERMANENT MAGNET EMBEDDED IN SAID HOUSING AND HAVING AT LEAST ONE POLE SURFACE EXPOSED AT SAID END FACE, A REMOVABLE NEEDLE HAVING A SHAFT ADAPTED TO ENGAGE SAID BORE AND A DISC OF MAGNETIC MATERIAL MATCHING SAID END FACE AND SECURED TO SAID SHAFT, SAID DISC BEING NORMAL TO AND SPACED FROM THE ENDS OF SAID SHAFT.
Claim 2
Dependent Claim
104 words
A SURGICAL PUNCTURING DEVICE COMPRISING A CYLINDRICAL HOUSING HAVING AN END FACE, AN AXIAL BORE OPENING AT SAID END FACE, A PLUNGER WITHIN SAID AXIAL BORE EXTENDABLE BEYOND SAID END FACE, RESILIENT MEANS TO URGE SAID PLUNGER TO A RETRACTED POSITION AWAY FROM SAID END FACE, A PERMANENT MAGNET EMBEDDED IN SAID HOUSING AND HAVING AT LEAST ONE POLE SURFACE EXPOSED AT SAID END FACE, A REMOVABLE NEEDLE HAVING A SHAFT ADAPTED TO ENGAGE SAID BORE AND A DISC OF MAGNETIC MATERIAL MATCHING SAID END FACE AND SECURED TO SAID SHAFT, SAID DISC BEING NORMAL TO AND SPACED FROM THE ENDS OF SAID SHAFT.
References Cited (Backward Citations)
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Cited
US3123212A
Cited
US1419140A
Cited
US2627423A
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US3208452A
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US3221739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |