US2592025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid chair
Assignee: Individual
•
Filing: 1948-10-23
•
Granted: 1952-04-08
•
Expires: 1968-10-23
Abstract
No abstract record available.
Inventors
- 👤 Gray Anna Marie Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:35
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/08; A61G5/006; A61G5/0808; A61G5/085; A61G5/0891; A61G5/10; A61G5/1002; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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US2233262A
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US2200647A
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US2278078A
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US2430577A
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US2452886A
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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) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |