US2451687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible chair
Assignee: Individual
•
Filing: 1944-10-04
•
Granted: 1948-10-19
•
Expires: 1964-10-04
Abstract
No abstract record available.
Inventors
- 👤 Leycester W Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:39
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/04; A47C4/08; A47C4/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US592695A
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GB189622134A
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US1001344A
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US1163628A
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US1342715A
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US1391791A
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US1428627A
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US1944335A
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US1916772A
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FR762820A
Cited
GB434813A
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CH177913A
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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 |