US2630158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair support
Assignee: American Seating Co
•
Filing: 1948-03-29
•
Granted: 1953-03-03
•
Expires: 1968-03-29
Abstract
No abstract record available.
Inventors
- 👤 Robert L Davis
- 👤 William R Van Loo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:35
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB241462A
Cited
US1637780A
Cited
GB274216A
Cited
GB270138A
Cited
US1937055A
Cited
US2091113A
Cited
FR788848A
Cited
US2259534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |