US2968841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable folding bleacher
Assignee: UNIVERSAL BLEACHER Co
•
Filing: 1956-11-19
•
Granted: 1961-01-24
•
Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Donald E Vance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:27
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/12; E04H3/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA509176A
Cited
US1301107A
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US1849052A
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US2147564A
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US2205624A
Cited
US2663913A
Cited
US2706835A
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US2802242A
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US2792079A
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US2815541A
Cited
US2877507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |