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US2931653A
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Footballs having a securely grippable laceless surface
Assignee: Seamless Rubber Co
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Filing: 1956-08-02
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Granted: 1960-04-05
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Expires: 1976-08-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Gow
- 👤 Paul S Madsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:17
CPC Classifications
A; A63; A63B; A63B41/00; A63B41/08; A63B2243/00; A63B2243/0066; A63B2243/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1543724A
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US2011760A
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US2244503A
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US2194674A
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US2494806A
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US2653818A
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US2859040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |