US3912080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container of plastic foil
Assignee: Individual
•
Filing: 1973-09-28
•
Granted: 1975-10-14
•
Expires: 1993-09-28
Abstract
Abstract A container of plastic foil consists of two elongated half sections joined together as by heat bonding to form a cylindrical center portion and a reduced top and bottom portion. The center portion and the bottom portion are inserted in a mechanically stiff sleeve.
Inventors
- 👤 Ragnar O Winberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:05
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65B; B65B9/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
231 words
A container having a thin lining, the container including: a. a one-piece sheet of which the lining is comprised; b. a seamless fold in said sheet, said fold being disposed at the upper end of the container and defining first and second halves of said sheet; c. a discharge opening in the region of said seamless fold; d. each half of said sheet including a recess therein, each recess extending over a major portion of each half, said recesses of both halves co-operating to define a confined area within the lining; e. each sheet half including a flange half extending between the associated recess and the outer periphery of that sheet half; f. said flange halves defining a filling opening; g. said flange halves being joined together to form a flange about the container and to close said filing opening, said flange lying in a plane in which the center line of the container also lies; h. the lining including a cylindrical center portion terminating at one end into a convex, dome-shaped bottom portion and at the other end into a top portion; i. a mechanically stiff sleeve disposed about said center portion and bottom portion of the lining and tightly fitting said center portion; j. portions of said flange extending along said center portion of said lining being folded over and being compressed between said center portion and said sleeve.
Claim 2
Dependent Claim
231 words
A container having a thin lining, the container including: a. a one-piece sheet of which the lining is comprised; b. a seamless fold in said sheet, said fold being disposed at the upper end of the container and defining first and second halves of said sheet; c. a discharge opening in the region of said seamless fold; d. each half of said sheet including a recess therein, each recess extending over a major portion of each half, said recesses of both halves co-operating to define a confined area within the lining; e. each sheet half including a flange half extending between the associated recess and the outer periphery of that sheet half; f. said flange halves defining a filling opening; g. said flange halves being joined together to form a flange about the container and to close said filing opening, said flange lying in a plane in which the center line of the container also lies; h. the lining including a cylindrical center portion terminating at one end into a convex, dome-shaped bottom portion and at the other end into a top portion; i. a mechanically stiff sleeve disposed about said center portion and bottom portion of the lining and tightly fitting said center portion; j. portions of said flange extending along said center portion of said lining being folded over and being compressed between said center portion and said sleeve.
Claim 3
Dependent Claim
24 words
A container according to claim 1, wherein portions of the flange halves extending from the bottom portion of the lining are shaped as handles.
Claim 4
Dependent Claim
35 words
A container according to claim 1, including a closure for said discharge opening, said closure comprising a continuous strip attached to said top portion on both sides of said seamless fold defining said sheet halves.
Claim 5
Dependent Claim
23 words
A container according to claim 3, wherein said discharge opening is disposed on both sides of said seamless fold defining said sheet halves.
References Cited (Backward Citations)
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US3493142A
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US3527439A
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US3633780A
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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) | 1978-10-13 | 1979-04-14 | 1979-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-13 | 1983-04-14 | 1983-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-13 | 1987-04-14 | 1987-10-14 | $7700.00 | Window Closed / Lapsed |