US2792873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertically adjustable seat support
Assignee: Rockwell Spring and Axle Co
•
Filing: 1955-04-14
•
Granted: 1957-05-21
•
Expires: 1975-04-14
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Herider
- 👤 Cumming James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:10
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; B60N2/1695; B60N2/18; B60N2/1807; B60N2/181; B60N2/1814; B60N2/1846; B60N2/1885
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |