US2649146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barrel chair
Assignee: Individual
•
Filing: 1947-11-28
•
Granted: 1953-08-18
•
Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Roy S Sanford
- 👤 Paul F Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:11
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/024; A47C3/00; A47C3/12; A47C5/00; A47C5/04; A47C5/046; A47C7/36; A47C7/40; A47C7/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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AT78771B
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US1431607A
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FR654651A
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US1963835A
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GB469396A
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US2215540A
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US2303039A
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US2408778A
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US2411301A
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US2476948A
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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) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |