US2722973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-opening collapsible stool
Assignee: Individual
•
Filing: 1953-05-21
•
Granted: 1955-11-08
•
Expires: 1973-05-21
Abstract
No abstract record available.
Inventors
- 👤 Charles E Murcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:59
CPC Classifications
A; A47; A47C; A47C9/00; A47C9/10; A47C9/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US509005A
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US615476A
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US641710A
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US664976A
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US705893A
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US1274973A
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US1338124A
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US1355944A
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US1776418A
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US2103874A
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US2620019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |