Patent US3580486A successfully refreshed from Google Patents.
US3580486A
Expired / Lapsed
US
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Plastic bag with integral handle
Assignee: Individual
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Filing: 1969-03-19
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Granted: 1971-05-25
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Expires: 1989-03-19
Abstract
Abstract A plastic bag having an integral straplike handle at its upper end and having a bottom gusset or satchel bottom construction which unfolds under the weight of items carried in the bag into a three dimensional configuration.
Inventors
- 👤 Emanuel Kugler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:04
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/06; B65D33/065; B65D31/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
88 words
A plastic bag comprising front and rear walls joined to each other at their respective opposite side edges to define an internal bag enclosure having an open mouth and a continuous bottom, said bag having a continuous strap handle extending from and being an integral and continuous part of said front and rear walls, and said bottom having a gusset consisting of a pair of wall portions integral and continuous with said front and rear walls and across a fold line interposed between said front and rear walls.
Claim 2
Dependent Claim
88 words
A plastic bag comprising front and rear walls joined to each other at their respective opposite side edges to define an internal bag enclosure having an open mouth and a continuous bottom, said bag having a continuous strap handle extending from and being an integral and continuous part of said front and rear walls, and said bottom having a gusset consisting of a pair of wall portions integral and continuous with said front and rear walls and across a fold line interposed between said front and rear walls.
Claim 3
Dependent Claim
29 words
The bag of claim 1 in which said continuous strap handle has a gusset for expansion of said handle in response to the addition of weight to said bag.
Claim 4
Dependent Claim
95 words
The bag of claim 1 wherein said wall portions of said gusset each have opposite marginal edges oriented inwardly of said front and rear walls at a 45* angle and unconnected to each other such that in response to weight placed on the medial portion of said fold line said marginal edges unfold in opposing lateral directions from each other and the opposite end portions of said fold line adjacent said medial portion in a transverse direction, wherEby there is formed a pair of square-shaped corners at opposite sides along the bottom of said bag.
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 |