US2553042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: American Seating Co
•
Filing: 1948-03-10
•
Granted: 1951-05-15
•
Expires: 1968-03-10
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Hoven
- 👤 Benjamin J Oom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:42
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE209197C
Cited
US873939A
Cited
US1298803A
Cited
US1188407A
Cited
US1250698A
Cited
US1665352A
Cited
US1719532A
Cited
US1828634A
Cited
GB507210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |