Patent US3743130A successfully refreshed from Google Patents.
US3743130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable and collapsible plastic cooler
Assignee: Individual
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Filing: 1971-04-23
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Granted: 1973-07-03
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Expires: 1991-04-23
Abstract
Abstract A disposable bedside cooler made of heat-sealed plastic which is collapsible for convenient storage having a dry inner cylindrical cavity for insertion of the object to be cooled and maintained dry therein surrounded by a watertight annular coolant chamber having a slide fastener in its outer cylindrical side wall adjacent the top of the cooler zip opening for the insertion of ice therein and zip closing for the nonspill of the ice and melt therefrom in the event of an accidental upset of the cooler.
Inventors
- 👤 B Jorgensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:29
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/006; F25D31/007; B; B65; B65D; B65D25/00; B65D25/02; F25D3/00; F25D3/02; F25D3/06; F25D3/08; F25D2303/00; F25D2303/08; F25D2303/081; F25D2303/084; F25D2303/0841; F25D2303/0843; F25D2323/00; F25D2323/06; F25D2323/061; F25D2331/00; F25D2331/80; F25D2331/803; F25D2331/809; Y; Y10; Y10S; Y10S190/00; Y10S190/903; Y10S383/00; Y10S383/907
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
149 words
A disposable and endwise collapsible plastic cooler comprising: a. a sealed coolant chamber having a collapsible, cylindrical outer side wall and top and bottom walls; b. a dry cavity located within said coolant chamber, said cavity being defined by a collapsible cylindrical inner side wall and the bottom wall of said coolant chamber, the said wall of said dry cavity extending between and attached at its top end to the top wall and at its bottom end to the bottom wall of said coolant chamber, the periphery of the top end of the inner wall defining the periphery of an opening which extends through the top wall of said coolant chamber; c. a sealable closure in the outer side wall of the coolant chamber for insertion of ice therein, and d. the inner and outer side walls of said cooler being held in spaced relation around its entire periphery.
Claim 2
Dependent Claim
149 words
A disposable and endwise collapsible plastic cooler comprising: a. a sealed coolant chamber having a collapsible, cylindrical outer side wall and top and bottom walls; b. a dry cavity located within said coolant chamber, said cavity being defined by a collapsible cylindrical inner side wall and the bottom wall of said coolant chamber, the said wall of said dry cavity extending between and attached at its top end to the top wall and at its bottom end to the bottom wall of said coolant chamber, the periphery of the top end of the inner wall defining the periphery of an opening which extends through the top wall of said coolant chamber; c. a sealable closure in the outer side wall of the coolant chamber for insertion of ice therein, and d. the inner and outer side walls of said cooler being held in spaced relation around its entire periphery.
Claim 3
Dependent Claim
41 words
The disposable and collapsible cooler as in claim 1 wherein the dry cavity is coaxial with the coolant chamber and the sealable closure is a slide fastener closure anchored to said outer side wall adjacent the top of said coolant chamber.
Claim 4
Dependent Claim
44 words
A disposable and collapsible cooler as set forth in claim 1 wherein the top end of said inner wall and the bottom walls of said cavity are substantially in the same plane as the top and bottom walls respectively of the sealed coolant chamber.
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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |