US2451667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infant's chair
Assignee: Individual
•
Filing: 1945-08-20
•
Granted: 1948-10-19
•
Expires: 1965-08-20
Abstract
No abstract record available.
Inventors
- 👤 Francis E Ducey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:22
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/10; A47D1/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1656352A
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US1680794A
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US1688225A
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US2090176A
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US2203320A
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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) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |