US2417733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair supporting structure
Assignee: NOBLITT SPARKS IND Inc
•
Filing: 1944-08-31
•
Granted: 1947-03-18
•
Expires: 1964-08-31
Abstract
No abstract record available.
Inventors
- 👤 Earl C Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:10
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/021; A47C3/023; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7084
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1542983A
Cited
AT129697B
Cited
US1885630A
Cited
US2011067A
Cited
US2192560A
Cited
US1988860A
Cited
US2017170A
Cited
GB451909A
Cited
US2044862A
Cited
US2071084A
Cited
US2303039A
Cited
US2346449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |