US3580427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cream dispenser with pleated walls and lip type opening
Assignee: Individual
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Filing: 1968-11-08
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Granted: 1971-05-25
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Expires: 1988-11-08
Abstract
Abstract A cream dispenser in the form of a container of flexible material such as plastic having generally flexible top and bottom walls and pleated, collapsible sidewalls, an opening in one sidewall in the form of an elongated slit, flexible lips along the opposite sides of the slit, the lips normally closing the slit but being deflectable outwardly to permit discharge of the contents upon pressure being applied to container to collapse the same and said lips being deflectable inwardly upon insertion of a nozzle to recharge the dispenser and a removable closure for the opening.
Inventors
- 👤 Robert E Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:44
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/32; B65D47/00; B65D47/04; B65D47/20; B65D47/2018; B65D47/2031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A cream dispenser comprising: a. a container having substantially flat end walls and pleated sidewalls rendering the container expansible and collapsible; b. an outwardly extending thickened portion forming a spout integral with a pleated sidewall, said thickened portion being rectangular in shape and having an elongated opening therethrough; c. a pair of flexible lips extending inwardly from opposite sidewalls of said opening and contacting each other along a line between said sidewalls and closing said opening, said flexible lips being deflectable outwardly to allow discharge of the contents of the container therebetween and being deflectable inwardly to permit insertion of a spout to fill the container; d. a pair of parallel grooves in opposite sides of the thickened portion forming the spout; and e. a cover having opposed inturned flanges slidably positioned in said grooves to removably attach said cover to said spout.
Claim 2
Dependent Claim
143 words
A cream dispenser comprising: a. a container having substantially flat end walls and pleated sidewalls rendering the container expansible and collapsible; b. an outwardly extending thickened portion forming a spout integral with a pleated sidewall, said thickened portion being rectangular in shape and having an elongated opening therethrough; c. a pair of flexible lips extending inwardly from opposite sidewalls of said opening and contacting each other along a line between said sidewalls and closing said opening, said flexible lips being deflectable outwardly to allow discharge of the contents of the container therebetween and being deflectable inwardly to permit insertion of a spout to fill the container; d. a pair of parallel grooves in opposite sides of the thickened portion forming the spout; and e. a cover having opposed inturned flanges slidably positioned in said grooves to removably attach said cover to said spout.
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |