US4085873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knapsack with integral storage and carrying pouch
Assignee: Individual
•
Filing: 1976-09-07
•
Granted: 1978-04-25
•
Expires: 1996-09-07
Abstract
Abstract An improved knapsack or similar receptacle of thin, flexible material includes a patch of the material attached to a wall thereof. An opening through the patch permits the receptacle to be pushed through the opening to form a carrying and storage pouch for the receptacle. A closure is provided for the opening, the closure being operable after the pouch has been formed. A carrying handle is also provided. The receptacle is specially configured for carrying a tennis racquet and balls.
Inventors
- 👤 Judith J. Schweitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:35
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/04; A45C; A45C7/00; A45C7/0059; A45C7/0077
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
161 words
In a portable receptacle made of thin, flexible material, said receptacle being a knapsack having a wall, and means permitting said knapsack to be carried on the back of the user, the improvement comprising: a patch of said material attached to said wall around the perimeter of said patch; an opening through said patch within said perimeter to provide access to the volume between said patch and said wall whereby the portion of said wall covered by said patch may be pushed out through said opening whereby said patch is reversed in order that the side of said patch which is next to said portion prior to pushing said portion through said opening forms a portion of the exterior surface of a pouch and when said pouch is formed the receptacle may be stuffed into the pouch for ease of storage and transportation and first closure means operable for shutting said opening after said receptacle has been stuffed into said pouch.
Claim 2
Dependent Claim
161 words
In a portable receptacle made of thin, flexible material, said receptacle being a knapsack having a wall, and means permitting said knapsack to be carried on the back of the user, the improvement comprising: a patch of said material attached to said wall around the perimeter of said patch; an opening through said patch within said perimeter to provide access to the volume between said patch and said wall whereby the portion of said wall covered by said patch may be pushed out through said opening whereby said patch is reversed in order that the side of said patch which is next to said portion prior to pushing said portion through said opening forms a portion of the exterior surface of a pouch and when said pouch is formed the receptacle may be stuffed into the pouch for ease of storage and transportation and first closure means operable for shutting said opening after said receptacle has been stuffed into said pouch.
Claim 3
Dependent Claim
18 words
The portable receptacle of claim 1, wherein said patch is attached to an interior surface of said wall.
Claim 4
Dependent Claim
39 words
The portable receptacle of claim 1, further comprising a carrying strap attached to said patch between said patch and said wall, whereby said strap is accessible for carrying said pouch after said receptacle has been stuffed into said pouch.
Claim 5
Dependent Claim
39 words
The portable receptacle of claim 2, further comprising a carrying strap attached to said patch between said patch and said wall, whereby said strap is accessible for carrying said pouch after said receptacle has been stuffed into said pouch.
Claim 6
Dependent Claim
24 words
The portable receptacle of claim 1, wherein said first closure means is a zipper operable when said receptacle has been stuffed into said pouch.
Claim 7
Dependent Claim
25 words
The portable receptacle of claim 1, wherein said first closure means is a VELCRO-type fastener operable when said receptacle has been stuffed into said pouch.
Claim 8
Dependent Claim
24 words
The portable receptacle of claim 1, wherein said first closure means is a snap operable when said receptacle has been stuffed into said pouch.
Claim 9
Dependent Claim
18 words
The portable receptacle of claim 5, wherein said patch is attached to an interior surface of said wall.
Claim 10
Dependent Claim
18 words
The portable receptacle of claim 6, wherein said patch is attached to an interior surface of said wall.
Claim 11
Dependent Claim
18 words
The portable receptacle of claim 7, wherein said patch is attached to an interior surface of said wall.
Claim 12
Dependent Claim
59 words
The portable receptacle of claim 1, wherein said receptacle comprises first and second panels shaped generally to conform to the head of a tennis or similar racquet, said panels being joined to each other at the lower ends thereof; and second closure means attached to the perimeters of said panels for closing said receptacle to retain a racquet therein.
Claim 13
Dependent Claim
24 words
The portable receptacle of claim 1 wherein said first closure means is a button operable when said receptacle has been stuffed into said pouch.
Claim 14
Dependent Claim
18 words
The portable receptacle of claim 12 wherein said patch is attached to an interior surface of said wall.
References Cited (Backward Citations)
US2532778A
Cited
US3085254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-24 | 1981-10-24 | 1982-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-24 | 1985-10-24 | 1986-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-24 | 1989-10-24 | 1990-04-25 | $7700.00 | Window Closed / Lapsed |