US3308818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection cartridge
Assignee: Individual
•
Filing: 1964-07-24
•
Granted: 1967-03-14
•
Expires: 1984-07-24
Abstract
No abstract record available.
Inventors
- 👤 Eugene V Rutkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:14
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/30; F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/46; F42B12/54; A61M5/20; A61M5/2046; A61M5/24; A61M5/2422; A61M5/2425; A61M5/28; A61M5/285; A61M5/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
APPARATUS FOR SUBCUTANEOUS INJECTIONS OF LIQUID MEDICAMENTS AND THE LIKE, COMPRISING; (A) AN OUTER CONTAINER ADAPTED TO WITHSTAND HIGH GAS PRESSURE, (B) A HERMETICALLY SEALED DUCTILE INNER CONTAINER, CONTAINING THE MEDICAMENT, (C) SAID INNER CONTAINER HAVING A FIRST PORTION OF ITS WALL SUPPORTED BY SAID OUTER CONTAINER AND A SECOND PORTION ADAPTED TO DEFORM INTO A RETROVERSION CONTACT WITH THE FIRST PORTION, WITHOUT RUPTURING, TO THEREBY REDUCE ITS VOLUME TO ZERO, (D) SAID FIRST PORTION OF THE INNER CONTAINER BEING UNSUPPORTED BY THE OUTER CONTAINER OVER A RELATIVELY SMALL AREA TO PERMIT THE INNER CONTAINER TO RUPTURE, (E) A NOZZLE IN THE OUTER CONTAINER COMMUNICATING WITH SAID AREA THROUGH WHICH THE MEDICAMENT MAY BE DISCHARGED AT A SUFFICIENTLY HIGH VELOCITY TO EFFECT SUBCUTANEOUS INJECTION, (F) A POWDER TYPE PROPELLANT IN SAID FIRST CONTAINER, THE PRODUCTS OF COMBUSTION OF WHICH ARE ADAPTED TO DEFORM SAID INNER CONTAINER, AND (G) MEANS FOR INITATING COMBUSTION OF SAID PROPELLANT.
Claim 2
Dependent Claim
155 words
APPARATUS FOR SUBCUTANEOUS INJECTIONS OF LIQUID MEDICAMENTS AND THE LIKE, COMPRISING; (A) AN OUTER CONTAINER ADAPTED TO WITHSTAND HIGH GAS PRESSURE, (B) A HERMETICALLY SEALED DUCTILE INNER CONTAINER, CONTAINING THE MEDICAMENT, (C) SAID INNER CONTAINER HAVING A FIRST PORTION OF ITS WALL SUPPORTED BY SAID OUTER CONTAINER AND A SECOND PORTION ADAPTED TO DEFORM INTO A RETROVERSION CONTACT WITH THE FIRST PORTION, WITHOUT RUPTURING, TO THEREBY REDUCE ITS VOLUME TO ZERO, (D) SAID FIRST PORTION OF THE INNER CONTAINER BEING UNSUPPORTED BY THE OUTER CONTAINER OVER A RELATIVELY SMALL AREA TO PERMIT THE INNER CONTAINER TO RUPTURE, (E) A NOZZLE IN THE OUTER CONTAINER COMMUNICATING WITH SAID AREA THROUGH WHICH THE MEDICAMENT MAY BE DISCHARGED AT A SUFFICIENTLY HIGH VELOCITY TO EFFECT SUBCUTANEOUS INJECTION, (F) A POWDER TYPE PROPELLANT IN SAID FIRST CONTAINER, THE PRODUCTS OF COMBUSTION OF WHICH ARE ADAPTED TO DEFORM SAID INNER CONTAINER, AND (G) MEANS FOR INITATING COMBUSTION OF SAID PROPELLANT.
References Cited (Backward Citations)
US1642950A
Cited
US2151418A
Cited
US2674998A
Cited
US2876771A
Cited
US2816544A
Cited
FR1121237A
Cited
US2854925A
Cited
US3023750A
Cited
US3071294A
Cited
US3145712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |