US2678087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid's bed chair
Assignee: Individual
•
Filing: 1947-09-12
•
Granted: 1954-05-11
•
Expires: 1967-09-12
Abstract
No abstract record available.
Inventors
- 👤 Tress L Mckinley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:24
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US346246A
Cited
US755706A
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FR401654A
Cited
US1088419A
Cited
US1138715A
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US1986035A
Cited
US2233262A
Cited
GB551813A
Cited
US2546361A
Cited
US2578311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |