US3073306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringe
Assignee: Individual
•
Filing: 1959-04-15
•
Granted: 1963-01-15
•
Expires: 1979-04-15
Abstract
No abstract record available.
Inventors
- 👤 Linder Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:17
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3205; A61M5/321; A61M5/3243; A61M5/3287; A61M5/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A DEVICE FOR ATTACHMENT TO A HYPODERMIC SYRINGE HAVING A NEEDLE, COMPRISING, IN COMBINATION, A FIRST ELONGATED MEMBER; MEANS FOR SECURING SAID FIRST ELONGATED MEMBER TO THE SYRINGE SO THAT SAID FIRST MEMBER EXTENDS ALONG THE REAR PORTION OF THE NEEDLE; A SECOND ELONGATED MEMBER SLIDABLE RELATIVE TO SAID FIRST MEMBER BETWEEN A WITHDRAWN POSITION AND AN EXTENDED POSITION AND HAVING AN END SURFACE FOR ENGAGING A BODY PORTION TO BE TREATED, SAID END SURFACE BEING LOCATED AT A SUBSTANTIAL DISTANCE BEYOND THE TIP OF THE NEEDLE WHEN SAID SECOND MEMBER IS IN SAID EXTENDED POSITION THEREOF; SAID SYRINGE AND SAID FIRST AND SECOND MEMBERS WHEN MOUNTED THEREON HAVING A COMMON AXIS, AND SAID END SURFACE BEING SYMMETRICALLY ARRANGED WITH RESPECT TO SAID COMMON AXIS; AND DISENGAGEABLE, PRESSURE-RESPONSIVE LOCKING MEANS ON SAID ELONGATED MEMBERS FOR LOCKING SAID ELONGATED MEMBERS IN SAID EXTENDED POSITION ON THE SYRINGE AGAINST RELATIVE SLIDING MOVEMENT WHEN INITIAL MANUAL PRESSURE IS APPLIED TO THE SYRINGE IN AXIAL DIRECTION TO PRESS SAID END SURFACE AGAINST SAID BODY PORTION, AND FOR QUICKLY RELEASING SAID ELONGATED MEMBERS WHEN SAID PRESSURE ACTING UPON SAID END SURFACE AND SAID BODY PORTION EXCEEDS A PREDETERMINED VALUE, WHEREBY UPON RELEASE OF SAID ELONGATED MEMBERS SAID NEEDLE WILL BE RAPIDLY ACCELERATED AND PLUNGED INTO SAID BODY PORTION AT A RELATIVELY HIGH SPEED.
Claim 2
Independent Claim
218 words
A DEVICE FOR ATTACHMENT TO A HYPODERMIC SYRINGE HAVING A NEEDLE, COMPRISING, IN COMBINATION, A FIRST ELONGATED MEMBER; MEANS FOR SECURING SAID FIRST ELONGATED MEMBER TO THE SYRINGE SO THAT SAID FIRST MEMBER EXTENDS ALONG THE REAR PORTION OF THE NEEDLE; A SECOND ELONGATED MEMBER SLIDABLE RELATIVE TO SAID FIRST MEMBER BETWEEN A WITHDRAWN POSITION AND AN EXTENDED POSITION AND HAVING AN END SURFACE FOR ENGAGING A BODY PORTION TO BE TREATED, SAID END SURFACE BEING LOCATED AT A SUBSTANTIAL DISTANCE BEYOND THE TIP OF THE NEEDLE WHEN SAID SECOND MEMBER IS IN SAID EXTENDED POSITION THEREOF; SAID SYRINGE AND SAID FIRST AND SECOND MEMBERS WHEN MOUNTED THEREON HAVING A COMMON AXIS, AND SAID END SURFACE BEING SYMMETRICALLY ARRANGED WITH RESPECT TO SAID COMMON AXIS; AND DISENGAGEABLE, PRESSURE-RESPONSIVE LOCKING MEANS ON SAID ELONGATED MEMBERS FOR LOCKING SAID ELONGATED MEMBERS IN SAID EXTENDED POSITION ON THE SYRINGE AGAINST RELATIVE SLIDING MOVEMENT WHEN INITIAL MANUAL PRESSURE IS APPLIED TO THE SYRINGE IN AXIAL DIRECTION TO PRESS SAID END SURFACE AGAINST SAID BODY PORTION, AND FOR QUICKLY RELEASING SAID ELONGATED MEMBERS WHEN SAID PRESSURE ACTING UPON SAID END SURFACE AND SAID BODY PORTION EXCEEDS A PREDETERMINED VALUE, WHEREBY UPON RELEASE OF SAID ELONGATED MEMBERS SAID NEEDLE WILL BE RAPIDLY ACCELERATED AND PLUNGED INTO SAID BODY PORTION AT A RELATIVELY HIGH SPEED.
References Cited (Backward Citations)
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |