US3115136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge
Assignee: Individual
•
Filing: 1962-03-12
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Granted: 1963-12-24
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Sarnoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:45
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/34; A61M5/28; A61M5/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A CARTRIDGE FOR USE WITH A HYPODERMIC CARTRIDGE HOLDER COMPRISING: A TUBE, A PISTON WITHIN ONE END OF THE TUBE, A FIXED RESILIENT STOPPER WITHIN THE OTHER END OF THE TUBE, A FLUID MEDICAMENT IN THE TUBE BETWEEN THE PISTON AND STOPPER, SAID STOPPER HAVING A BORE OF A NORMAL UNEXPANDED DIAMETER EXTENDING ALONG THE LENGTH THEREOF THROUGH SUBSTANTIALLY ALL OF ITS LENGTH, A DIAPHRAGM AT THE END OF THE BORE CLOSEST TO THE MEDICAMENT CLOSING OFF THE BORE, A BEAD IN SAID BORE POSITIONED ADJACENT TO SAID DIAPHRAGM, SAID BEAD BEING LARGER IN DIAMETER THAN THE NORMAL DIAMETER OF SAID BORE, TO EXPAND THE BORE ADJACENT THE LOCATION OF THE BEAD, A HOLLOW NEEDLE HAVING A PORTION THEREOF EXTENDING INTO SAID BORE WITH THE END THEREOF POSITIONED IN CLOSE PROXIMITY TO SAID BEAD, AND SAID NEEDLE BEING OF AN EXTERNAL DIAMETER SUBSTANTIALLY EQUAL TO THAT OF THE NORMAL DIAMETER OF THE BORE, WHEREBY WHEN THE NEEDLE IS THRUST FURTHER INTO THE STOPPER THE BEAD WILL BE ADVANCED, BY NEEDLE THRUST, AGAINST THE DIAPHRAGM, RUPTURING THE DIAPHRAGM AND PERMITTING UNRESTRICTED FLOW OF MEDICAMENT THROUGH THE CHANNEL OF THE NEEDLE AND WITHOUT DANGER OF PARTICLES OF THE STOPPER BEING FORCED INTO THE CHANNEL.
Claim 2
Dependent Claim
202 words
A CARTRIDGE FOR USE WITH A HYPODERMIC CARTRIDGE HOLDER COMPRISING: A TUBE, A PISTON WITHIN ONE END OF THE TUBE, A FIXED RESILIENT STOPPER WITHIN THE OTHER END OF THE TUBE, A FLUID MEDICAMENT IN THE TUBE BETWEEN THE PISTON AND STOPPER, SAID STOPPER HAVING A BORE OF A NORMAL UNEXPANDED DIAMETER EXTENDING ALONG THE LENGTH THEREOF THROUGH SUBSTANTIALLY ALL OF ITS LENGTH, A DIAPHRAGM AT THE END OF THE BORE CLOSEST TO THE MEDICAMENT CLOSING OFF THE BORE, A BEAD IN SAID BORE POSITIONED ADJACENT TO SAID DIAPHRAGM, SAID BEAD BEING LARGER IN DIAMETER THAN THE NORMAL DIAMETER OF SAID BORE, TO EXPAND THE BORE ADJACENT THE LOCATION OF THE BEAD, A HOLLOW NEEDLE HAVING A PORTION THEREOF EXTENDING INTO SAID BORE WITH THE END THEREOF POSITIONED IN CLOSE PROXIMITY TO SAID BEAD, AND SAID NEEDLE BEING OF AN EXTERNAL DIAMETER SUBSTANTIALLY EQUAL TO THAT OF THE NORMAL DIAMETER OF THE BORE, WHEREBY WHEN THE NEEDLE IS THRUST FURTHER INTO THE STOPPER THE BEAD WILL BE ADVANCED, BY NEEDLE THRUST, AGAINST THE DIAPHRAGM, RUPTURING THE DIAPHRAGM AND PERMITTING UNRESTRICTED FLOW OF MEDICAMENT THROUGH THE CHANNEL OF THE NEEDLE AND WITHOUT DANGER OF PARTICLES OF THE STOPPER BEING FORCED INTO THE CHANNEL.
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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |