US2968842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic bleachers and motorized movers therefor
Assignee: FRED MEDART Manufacturing CO
•
Filing: 1957-05-08
•
Granted: 1961-01-24
•
Expires: 1977-05-08
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:10
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/12; E04H3/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1534329A
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US1807379A
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US2183056A
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US2264527A
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US2568445A
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US2489274A
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US2478736A
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US2681202A
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US2870492A
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US2846738A
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US2851179A
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 |