US3937470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Game footbag
Assignee: Individual
•
Filing: 1974-12-04
•
Granted: 1976-02-10
•
Expires: 1994-12-04
Abstract
Abstract A game footbag has a tough, flexible cover partly filled with predominantly parallel small discs to form a thick disc or flattened sphere to be kicked vertically repeatedly to keep it in the air as long as possible.
Inventors
- 👤 Robert John Stalberger, Jr.
- 👤 Michael David Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:54
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/0601; A63B21/0603; A63B65/00; A63B65/10; A63B67/00; A63B67/14
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
87 words
In a partially collapsible footbag, a hollow, flexible cover normally in the general shape of a flattened sphere of a predetermined diameter, and filler material at least primarily of a multitude of hard, smooth, small discs of a diameter or diameters no greater than a small fraction of the diameter of the flattened sphere and lying generally parallel to each other and parallel to the flat sides of the cover, the discs being slidable relative to each other and the cover and only partially filling the cover.
Claim 2
Dependent Claim
87 words
In a partially collapsible footbag, a hollow, flexible cover normally in the general shape of a flattened sphere of a predetermined diameter, and filler material at least primarily of a multitude of hard, smooth, small discs of a diameter or diameters no greater than a small fraction of the diameter of the flattened sphere and lying generally parallel to each other and parallel to the flat sides of the cover, the discs being slidable relative to each other and the cover and only partially filling the cover.
Claim 3
Dependent Claim
17 words
The footbag of claim 1 wherein the filler material fills the bag about two-thirds of its capacity.
Claim 4
Dependent Claim
28 words
The footbag of claim 2 wherein the small discs are predominantly of the same size and have a diameter a small fraction of the diameter of the cover.
Claim 5
Dependent Claim
16 words
The footbag of claim 3 wherein the cover is of a flexible leather or leatherlike material.
Claim 6
Dependent Claim
17 words
The footbag of claim 4 wherein the cover comprises two discs stitched together along an inside seam.
Claim 7
Dependent Claim
25 words
The footbag of claim 4 wherein the diameter of the small discs is from about one-eighth to about one-quarter of the diameter of the cover.
Claim 8
Dependent Claim
13 words
The footbag of claim 1 wherein the small discs are of plastic material.
Claim 9
Dependent Claim
13 words
The footbag of claim 7 wherein the small discs are tough plastic buttons.
Claim 10
Dependent Claim
17 words
The footbag of claim 8 wherein the buttons fill the cover to about two-thirds of its volume.
Claim 11
Dependent Claim
18 words
The footbag of claim 7 wherein the small discs fill the cover to about two-thirds of its volume.
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) | 1979-02-09 | 1979-08-11 | 1980-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-09 | 1983-08-11 | 1984-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-09 | 1987-08-11 | 1988-02-10 | $7700.00 | Window Closed / Lapsed |