US2530474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair construction
Assignee: Individual
•
Filing: 1946-01-22
•
Granted: 1950-11-21
•
Expires: 1966-01-22
Abstract
No abstract record available.
Inventors
- 👤 Lutes Keene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:32
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/08; A47D1/002; A47D1/004; A47D1/10; A47D13/00; A47D13/10; A47D13/102; A47D13/105; A47K; A47K11/00; A47K11/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US122066A
Cited
US275899A
Cited
US587845A
Cited
US660951A
Cited
US1021901A
Cited
US1242074A
Cited
US1182670A
Cited
US1297718A
Cited
US1249721A
Cited
US1298053A
Cited
US1639298A
Cited
US2155813A
Cited
US2254466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |