Patent US4069710A successfully refreshed from Google Patents.
Patent US3674028A successfully refreshed from Google Patents.
US3674028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-mix
Assignee: IMS Ltd
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Filing: 1969-06-04
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Granted: 1972-07-04
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Expires: 1989-06-04
Abstract
Abstract This patent describes a novel medicament container comprising a vial having an open end and a closed end, at least one slidable resilient stopper within said vial normally positioned intermediate said open end and said closed end and normally forming a fluid tight seal on the walls of said container, said stopper being slidable within said container away from said open end toward said closed end, said vial having a zone of a diameter larger than the largest lateral diameter of said stopper and into which said stopper is received as it is slid away from said open end to permit fluid communication from one side of said stopper to the other side of said stopper and thereby permit mixing of different materials positioned above and below said stopper, said container also having closure means at said open end to provide a multi-compartment medicament storage device.
Inventors
- 👤 Robert W Ogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:00
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; A61J1/2093; B; B65; B65D; B65D25/00; B65D25/02; B65D25/04; B65D25/08; B65D25/082; A61J1/2003; A61J1/202; A61J1/2041; A61M; A61M5/00; A61M5/14; A61M5/162; A61M2005/1623; Y; Y10; Y10S; Y10S215/00; Y10S215/08
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
206 words
A novel medicament container comprising a first cylindrical zone having an opening at each of its ends, one end of said first cylindrical zone opening into a second cylindrical zone, said second cylindrical zone having an internal diameter which is larger than the internal diameter of said first cylindrical zone, said second cylindrical zone terminating in an imperforate circular closed end, a slidable resilient imperforate stopper within said first cylindrical zone normally forming a fluid tight seal on the walls of said zone, said stopper being longitudinally slidable over the length of said first cylindrical zone while maintaining a seal with the walls of said zone, said stopper being receivable in said second cylindrical zone whereby fluid communication can be established between said zones to permit mixing of different materials contained above and below said stopper, said container also having a third zone at the other end of said first cylindrical zone and comprising a longitudinally compressible wall portion and an end closure which includes a sealable dispensing tip to provide a two-compartment medicament storage device, said compressible wall portion being adapted to create hydraulic pressure on said slidable stopper upon compression to slide the stopper from said first cylindrical zone into said second cylindrical zone.
Claim 2
Dependent Claim
206 words
A novel medicament container comprising a first cylindrical zone having an opening at each of its ends, one end of said first cylindrical zone opening into a second cylindrical zone, said second cylindrical zone having an internal diameter which is larger than the internal diameter of said first cylindrical zone, said second cylindrical zone terminating in an imperforate circular closed end, a slidable resilient imperforate stopper within said first cylindrical zone normally forming a fluid tight seal on the walls of said zone, said stopper being longitudinally slidable over the length of said first cylindrical zone while maintaining a seal with the walls of said zone, said stopper being receivable in said second cylindrical zone whereby fluid communication can be established between said zones to permit mixing of different materials contained above and below said stopper, said container also having a third zone at the other end of said first cylindrical zone and comprising a longitudinally compressible wall portion and an end closure which includes a sealable dispensing tip to provide a two-compartment medicament storage device, said compressible wall portion being adapted to create hydraulic pressure on said slidable stopper upon compression to slide the stopper from said first cylindrical zone into said second cylindrical zone.
Claim 3
Dependent Claim
17 words
The container of claim 1 wherein the longitudinally compressible wall portion includes a longitudinally compressible accordian-like section.
Claim 4
Dependent Claim
16 words
The container of claim 1 wherein said first and second cylindrical zones are of constant diameter.
Claim 5
Dependent Claim
16 words
The container of claim 1 wherein the stopper is provided with a plurality of sealing rings.
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |