US3359979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projectile hypodermic syringes
Assignee: Individual
•
Filing: 1964-11-12
•
Granted: 1967-12-26
•
Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Colin A Murdoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:44
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/46; F42B12/54
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A PROJECTILE ADAPTED TO INJECT MEDICINE, DRUGS AND THE LIKE INTO ANIMALS COMPRISING A HOLLOW BODY CLOSED AT ITS REAR END AND A CLOSURE MEANS, FOR CLOSING ITS FRONT END, A HYPODERMIC NEEDLE EXTENDING AXIALLY OF AND SECURED TO THE CLOSURE MEANS HAVING A FIRST PORTION EXTENDING INTO THE BODY AND A SECOND PORTION PROJECTING FROM THE BODY, A CAPSULE ARRANGED FOR ACCOMMODATION IN AND CAPABLE OF AXIAL MOVEMENT WITHIN THE BODY, A PISTON OF RESILIENT MATERIAL WITHIN SAID CAPSULE AND CAPABLE OF AXIAL MOVEMENT THEREIN AND DIVIDING THE CAPSULE INTO ANTERIOR AND POSTERIOR PORTIONS, A RUPTURABLE MEMBRANE CLOSING THE END OF SAID ANTERIOR PORTION WITH SAID ANTERIOR PORTION BEING ADAPTED TO BE FILLED WITH LIQUID MEDICINE, ACTUATING MEANS IN THE FORM OF A COMPRESSED
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |