Patent US3884466A successfully refreshed from Google Patents.
US3884466A
Expired / Lapsed
US
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Game ball
Assignee: THINGAMAJIG CORP
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Filing: 1973-04-27
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Granted: 1975-05-20
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Expires: 1993-04-27
Abstract
Abstract A game ball shaped like a football includes an air passage extending along the longitudinal axis thereof. The diameter of the air passage tapers from the opposite ends thereof to a constricted opening midway of the length thereof. The ball may be provided with a symmetrical arrangement of relatively heavy weights encircling the constricted opening.
Inventors
- 👤 Richard A Macdonald
- 👤 James A Macdonald
- 👤 Joseph J Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:14
CPC Classifications
A; A63; A63B; A63B43/00; A63B43/002; A63B2243/00; A63B2243/0066; A63B2243/007; Y; Y10; Y10S; Y10S273/00; Y10S273/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
67 words
A ball having an oblate spheroid contour being substantially symmetrical about a longitudinal axis and adapted to be manually thrown through the air, having a through passage in said longitudinal direction, said passage forming a cross-sectional air passage which has maximum crosssectional area at opposing longitudinal ends of said ball and continuously decreasing to a minimum cross-sectional area at substantially a mid-point region between said opposing ends.
Claim 2
Dependent Claim
67 words
A ball having an oblate spheroid contour being substantially symmetrical about a longitudinal axis and adapted to be manually thrown through the air, having a through passage in said longitudinal direction, said passage forming a cross-sectional air passage which has maximum crosssectional area at opposing longitudinal ends of said ball and continuously decreasing to a minimum cross-sectional area at substantially a mid-point region between said opposing ends.
Claim 3
Dependent Claim
25 words
The ball as recited in claim 1 where said ball includes weight means disposed symmetrically about said mid-point region with respect to said longitudinal axis.
Claim 4
Dependent Claim
30 words
The ball as recited in claim 2 where said weight means includes at least a pair of disc members secured internal said ball on opposing sides of said mid-point region.
References Cited (Backward Citations)
US1483165A
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US1554781A
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US1597308A
Cited
US1825221A
Cited
US2705148A
Cited
US3216727A
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US3264776A
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US3550940A
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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) | 1978-05-19 | 1978-11-18 | 1979-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-19 | 1982-11-18 | 1983-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-19 | 1986-11-18 | 1987-05-20 | $7700.00 | Window Closed / Lapsed |