US2558081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Football sled with signals
Assignee: Individual
•
Filing: 1946-01-23
•
Granted: 1951-06-26
•
Expires: 1966-01-23
Abstract
No abstract record available.
Inventors
- 👤 Allen J Gardenhour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:51
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1821264A
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US930761A
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US1095902A
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US1436846A
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US1665560A
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US1762435A
Cited
GB365267A
Cited
US1962088A
Cited
US2296311A
Cited
US2255711A
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US2237600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |