Patent US2543592A successfully refreshed from Google Patents.
US2543592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot construction for metal chairs
Assignee: Lyon Metal Products LLC
•
Filing: 1948-02-12
•
Granted: 1951-02-27
•
Expires: 1968-02-12
Abstract
No abstract record available.
Inventors
- 👤 John B O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:24
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/002; A47B; A47B91/00; A47B91/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1806534A
Cited
US882316A
Cited
US1558181A
Cited
US1687333A
Cited
US1571538A
Cited
US1618220A
Cited
US1651000A
Cited
US1690754A
Cited
US1724055A
Cited
US1729488A
Cited
US1721294A
Cited
US1843261A
Cited
US1916336A
Cited
US1893910A
Cited
US1979563A
Cited
US2364647A
Cited
US2272329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |