US2826242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leg support for invalids' folding chair
Assignee: GEORGE SCHULTZ AND MARIE V ROT
•
Filing: 1953-12-18
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Granted: 1958-03-11
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Expires: 1973-12-18
Abstract
No abstract record available.
Inventors
- 👤 Herman M Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:53
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/12; A61G5/1054; A61G5/125; A61G5/128; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US432130A
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US938009A
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US835678A
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US972291A
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US1400625A
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GB398530A
Cited
US2601889A
Cited
US2667945A
Cited
US2609864A
Cited
US2633896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |