US3596801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable instant mix all container
Assignee: Individual
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Filing: 1969-07-22
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Granted: 1971-08-03
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Expires: 1989-07-22
Abstract
Abstract A container comprising a sealed outer envelope containing a powered substance, a sealed inner envelope disposed within the first sealed envelope and containing a liquid, a combination piercing means and nozzle integral with the second envelope for: (1) piercing the second envelope to permit the liquid to escape therefrom and to mix with the powder; (2) piercing the second envelope, and (3) serving as a nozzle for dispensing the resultant mixture from the container.
Inventors
- 👤 Henry C Barnack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:19
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; B65D81/3272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A container comprising a sealed outer envelope containing a powdered substance, a sealed inner envelope disposed within the sealed outer envelope and containing a liquid; unitary means for: a. piercing the inner envelope to permit the liquid to escape therefrom and to mix with the powder; b. for piercing the outer envelope; and c. for serving as a nozzle for dispensing the resultant mixture from the container; the unitary means being a combination piercing tool and nozzle formed integrally with the inner envelope, and being disposed within the inner envelope during the container nonuse condition, and being disposed outwardly of the inner and outer envelopes during the container use condition; and the inner and outer envelopes being formed from a soft pliable plastic material.
Claim 2
Dependent Claim
124 words
A container comprising a sealed outer envelope containing a powdered substance, a sealed inner envelope disposed within the sealed outer envelope and containing a liquid; unitary means for: a. piercing the inner envelope to permit the liquid to escape therefrom and to mix with the powder; b. for piercing the outer envelope; and c. for serving as a nozzle for dispensing the resultant mixture from the container; the unitary means being a combination piercing tool and nozzle formed integrally with the inner envelope, and being disposed within the inner envelope during the container nonuse condition, and being disposed outwardly of the inner and outer envelopes during the container use condition; and the inner and outer envelopes being formed from a soft pliable plastic material.
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |