Patent US3306690A successfully refreshed from Google Patents.
US4201299A
Expired / Lapsed
US
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Bag
Assignee: Individual
•
Filing: 1978-06-06
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Granted: 1980-05-06
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Expires: 1998-06-06
Abstract
Abstract A plastic bag is made from any suitable material, such as polyethylene film, with a perforated slit formed therein, so that the bag may be hung on a doorknob, hook, or the like. The bag may be used to protect a newspaper or other item intended to be left at a door.
Inventors
- 👤 Robert L. Bumgarner
- 👤 Arthur O. Knutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:49
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/001; Y; Y10; Y10S; Y10S206/00; Y10S206/806
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
91 words
A plastic bag comprising an elongated tubular, thin plastic film member which has two opposed sides, is closed on one end, and has at least one open edge on the other end, and hang means comprising a horizontally oriented slit means formed through both sides of the thin plastic film member and near the open edge at the other end thereof, for hanging the bag on an object, said slit having a length which is large enough to fit over the object and being surrounded by an unbroken area of film.
Claim 2
Dependent Claim
91 words
A plastic bag comprising an elongated tubular, thin plastic film member which has two opposed sides, is closed on one end, and has at least one open edge on the other end, and hang means comprising a horizontally oriented slit means formed through both sides of the thin plastic film member and near the open edge at the other end thereof, for hanging the bag on an object, said slit having a length which is large enough to fit over the object and being surrounded by an unbroken area of film.
Claim 3
Dependent Claim
26 words
The bag of claim 6 wherein said slit is a single straight line which is parallel to the open side or end of said tubular member.
Claim 4
Dependent Claim
34 words
The bag of claim 6 wherein said slit is a single line which is arched downwardly toward the closed side or end of said tubular member and large enough to hang from a doorknob.
Claim 5
Dependent Claim
27 words
The bag of claim 6 wherein said slit is a single line which is arched upwardly toward said open side or end of said tubular member bag.
Claim 6
Dependent Claim
35 words
The bag of claim 4 wherein one side of the open end of said bag projects beyond the open edge which is on the other side of said open end to provide a tab-like member.
Claim 7
Dependent Claim
52 words
The bag of claim 5 wherein a plurality of said tab-like members are joined together to form a tablet of said bags, and means for anchoring said joined tab-like members to enable the side of the bag opposing the tab-like member to be pulled away for stuffing while the tablet is anchored.
Claim 8
Dependent Claim
29 words
The bag of claim 1 wherein said slit is a single line which is perforated so that the slit does not open until the bag is put into use.
Claim 9
Dependent Claim
26 words
The bag of claim 7 wherein said perforated slit is arched upwardly toward said open side or end and is sized to hang from a doorknob.
Claim 10
Dependent Claim
15 words
The bag of claim 8 wherein the slit is configured to fit over a doorknob.
Claim 11
Dependent Claim
11 words
The bag of claim 9 wherein the plastic material is polyethylene.
Claim 12
Dependent Claim
63 words
A process for making thin plastic film bags comprising the steps of: (a) forming said plastic film into tubular-shaped bags which have opposed sides and are closed on three edges and opened on a fourth end, and (b) perforating areas of said film aligned on both of said opposed sides of said bag with an arcuate slit positioned horizontally near said opened end.
Claim 13
Dependent Claim
63 words
A process for making thin plastic film bags comprising the steps of: (a) forming said plastic film into tubular-shaped bags which have opposed sides and are closed on three edges and opened on a fourth end, and (b) perforating areas of said film aligned on both of said opposed sides of said bag with an arcuate slit positioned horizontally near said opened end.
Claim 14
Dependent Claim
80 words
The process of claim 11 and the added steps of: (c) forming one side of the open end of said bag longer than the opposing side of the open end to form a tab-like member, (d) fastening together a plurality of said tab-like members to form a tablet of said bags, and (e) forming an anchor point on said tablet at a point where said bags are fastened together for holding said tablet stationary while said bags are being stuffed.
Claim 15
Dependent Claim
94 words
A plastic bag comprising an elongated tubular, thin plastic film member which has two opposed sides, is closed on one end, and has at least one open edge on the other end, and hang means comprising a single line horizontally oriented, arched slit means formed through both sides of the thin plastic film member and near the open edge at said other end thereof, for hanging the bag on an object, said slit having a length which is large enough to fit over the object and being surrounded by an unbroken area of film.
Claim 16
Dependent Claim
94 words
A plastic bag comprising an elongated tubular, thin plastic film member which has two opposed sides, is closed on one end, and has at least one open edge on the other end, and hang means comprising a single line horizontally oriented, arched slit means formed through both sides of the thin plastic film member and near the open edge at said other end thereof, for hanging the bag on an object, said slit having a length which is large enough to fit over the object and being surrounded by an unbroken area of film.
Claim 17
Dependent Claim
31 words
The bag of claim 13 wherein said single line slit is arched downwardly toward the closed side or end of said tubular member and large enough to hang from a doorknob.
Claim 18
Dependent Claim
24 words
The bag of claim 13 wherein said single line slit is arched upwardly toward said open side or end of said tubular member bag.
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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) | 1983-05-06 | 1983-11-05 | 1984-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-06 | 1987-11-05 | 1988-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-06 | 1991-11-05 | 1992-05-06 | $7700.00 | Window Closed / Lapsed |