US2546871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair having vertically adjustable footrest
Assignee: Individual
•
Filing: 1948-04-22
•
Granted: 1951-03-27
•
Expires: 1968-04-22
Abstract
No abstract record available.
Inventors
- 👤 Schley Laura Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:37
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/50; A47C7/506; A47C7/5062; A47C7/5064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE18145C
Cited
US315779A
Cited
US390801A
Cited
US595450A
Cited
US1152235A
Cited
US1380041A
Cited
US1417565A
Cited
US1645683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |