Patent US3557788A successfully refreshed from Google Patents.
US3557788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable syringe
Assignee: Individual
•
Filing: 1968-03-08
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Granted: 1971-01-26
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Expires: 1988-03-08
Abstract
Abstract A syringe having a collapsible canister whereby the canister after being completely collapsed is locked in the collapsed position so that it may not be reused, and an injector nozzle conveniently packaged within the interior of the canister prior to use so that the entire package provides a convenient container and syringe, the nozzle being extendable when prepared for use.
Inventors
- 👤 Betty J Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:42
CPC Classifications
A; A61; A61M; A61M3/00; A61M3/02; A61M3/0233; A61M3/0254; A61M3/0262; A61M3/0245
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
64 words
A disposable syringe comprising sealed container means for holding a quantity of fluid, said container means being collapsible under manual pressure, said sealed container means having locking means internally mounted at opposite ends thereof for maintaining said container means in a collapsed state after use and nozzle means coupled to said container means for conducting said fluid from said container to a remote location.
Claim 2
Dependent Claim
64 words
A disposable syringe comprising sealed container means for holding a quantity of fluid, said container means being collapsible under manual pressure, said sealed container means having locking means internally mounted at opposite ends thereof for maintaining said container means in a collapsed state after use and nozzle means coupled to said container means for conducting said fluid from said container to a remote location.
Claim 3
Dependent Claim
55 words
A syringe of the type described in claim 1 wherein said nozzle means is axially disposed within said container means and is slidable to an extended position for use, said nozzle means including means for locking said nozzle in said extended position, and a removable sealing means for retaining said nozzle in the unextended position.
Claim 4
Dependent Claim
22 words
A syringe of the type described in claim 2 wherein said container means comprises a cylindrical canister, said canister having foldable sidewalls.
Claim 5
Dependent Claim
53 words
A syringe of the type described in claim 3 wherein said nozzle means comprises a tubular member coaxially disposed within said cylindrical canister, said tubular member having an apertured tip and a threaded base, threaded means formed in said canister for receiving said base to lock said tubular member in an extended position.
Claim 6
Dependent Claim
45 words
A syringe of the type described in claim 4 wherein said locking means for maintaining said container means in a collapsed state comprises shoulder means mounted inside said canister at one end thereof, and finger means mounted inside said container at the opposite end thereof.
References Cited (Backward Citations)
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |