US2490341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: American Seating Co
•
Filing: 1945-05-28
•
Granted: 1949-12-06
•
Expires: 1965-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert L Davis
- 👤 Alexander J Plachecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:56
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/16; B60N2/1605; B60N2/161; B60N2/1615; B60N2/1675; B60N2/1685; B60N2/169; B60N2/18; B60N2/1807; B60N2/1842; B60N2/185; B60N2/1875; B60N2/1892; B60N2/1896
Claims Analysis
Total Claims: 0
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US2383173A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |