US3187749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic cartridge
Assignee: Individual
•
Filing: 1962-01-04
•
Granted: 1965-06-08
•
Expires: 1982-01-04
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Sarnoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:05
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A CARTRIDGE FOR USE WITH A HYPODERMIC SYRINGE COMPRISING: A STORAGE TUBE, A PISTON WITHIN ONE END OF SAID TUBE, A FIXED RESILIENT STOPPER HAVING OPPOSING FACES AND A BORE COMMNUICATING WITH SAID OPPOSING FACES OF THE STOPPER, SAID BORE BEING CYLINDRICAL SUBSTANTIALLY THROUGHOUT THE LENGTH OF THE STOPPER AND SAID STOPPER BEING WITHIN THE OTHER END OF THE TUBE, A FLUID MEDICAMENT IN THE TUBE BETWEEN THE PISTON AND STOPPER, A BEAD LARGER IN DIAMETER THAN ANY PORTION OF SAID BORE CLOSING OFF SAID BORE AND EMBEDDED IN THE RESILIENT STOPPER, AND A HOLLOW NEEDLE SMALLER IN EXTERNAL DIAMTER THAN THE DIAMETER OF THE BEAD AND LARGER IN DIAMETER THAN THE DIAMETER OF THE CYLINDRICAL PORTION OF THE BORE AND SNUGLY SLIDABLY ENGAGED BY THE WALLS OF SAID BORE, MEANS COOPERATING BETWEEN THE NEEDLE AND THE TUBE FOR GUIDING THE NEEDLE FOR RECTILINEAR MOVEMENT AXIALLY OF THE BORE, ONE END OF THE NEEDLE CONTACTING TO THE BEAD AND THE OTHER END EXTENDING EXTERIORLY OF THE STOPPER, SAID NEEDLE UPON MOVEMENT THEREOF INTO THE INTERIOR OF THE STOPPER AND TUBE, DISPLACING THE BEAD FROM THE BORE WHEREBY PASSAGE OF FLUID THROUGH THE NEEDLE IS UNRESTRICTED.
Claim 2
Dependent Claim
195 words
A CARTRIDGE FOR USE WITH A HYPODERMIC SYRINGE COMPRISING: A STORAGE TUBE, A PISTON WITHIN ONE END OF SAID TUBE, A FIXED RESILIENT STOPPER HAVING OPPOSING FACES AND A BORE COMMNUICATING WITH SAID OPPOSING FACES OF THE STOPPER, SAID BORE BEING CYLINDRICAL SUBSTANTIALLY THROUGHOUT THE LENGTH OF THE STOPPER AND SAID STOPPER BEING WITHIN THE OTHER END OF THE TUBE, A FLUID MEDICAMENT IN THE TUBE BETWEEN THE PISTON AND STOPPER, A BEAD LARGER IN DIAMETER THAN ANY PORTION OF SAID BORE CLOSING OFF SAID BORE AND EMBEDDED IN THE RESILIENT STOPPER, AND A HOLLOW NEEDLE SMALLER IN EXTERNAL DIAMTER THAN THE DIAMETER OF THE BEAD AND LARGER IN DIAMETER THAN THE DIAMETER OF THE CYLINDRICAL PORTION OF THE BORE AND SNUGLY SLIDABLY ENGAGED BY THE WALLS OF SAID BORE, MEANS COOPERATING BETWEEN THE NEEDLE AND THE TUBE FOR GUIDING THE NEEDLE FOR RECTILINEAR MOVEMENT AXIALLY OF THE BORE, ONE END OF THE NEEDLE CONTACTING TO THE BEAD AND THE OTHER END EXTENDING EXTERIORLY OF THE STOPPER, SAID NEEDLE UPON MOVEMENT THEREOF INTO THE INTERIOR OF THE STOPPER AND TUBE, DISPLACING THE BEAD FROM THE BORE WHEREBY PASSAGE OF FLUID THROUGH THE NEEDLE IS UNRESTRICTED.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |