US2802242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bleacher seating structure
Assignee: Individual
•
Filing: 1951-12-21
•
Granted: 1957-08-13
•
Expires: 1971-12-21
Abstract
No abstract record available.
Inventors
- 👤 Mahlon C Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:04
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/12; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1766316A
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US1746147A
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US1809598A
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US2009037A
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US2061465A
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US2060436A
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US2333803A
Cited
US2343832A
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US2466982A
Cited
US2549212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |