Patent US2947797A successfully refreshed from Google Patents.
Patent US3308818A successfully refreshed from Google Patents.
US3308818A
Expired / Lapsed
US
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Injection cartridge
Assignee: Individual
•
Filing: 1964-07-24
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Granted: 1967-03-14
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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 01:40
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.
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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) | 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 |