US2795853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Football yard marker
Assignee: Individual
•
Filing: 1954-09-27
•
Granted: 1957-06-18
•
Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr John K Benfield
- 👤 Ray A Earnhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:22
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/06; A63B2243/00; A63B2243/0066; A63B2243/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1689865A
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US1687276A
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US1769011A
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US1717805A
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US2108251A
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US2186676A
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US2139300A
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US2190779A
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US2285723A
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US2349452A
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US2520031A
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US2539560A
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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) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |