US2784764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable seat supports
Assignee: Rockwell Spring and Axle Co
•
Filing: 1955-10-11
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Granted: 1957-03-12
•
Expires: 1975-10-11
Abstract
No abstract record available.
Inventors
- 👤 Miles G Rigby
- 👤 Elmer A Herider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:29
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/16; B60N2/1605; B60N2/161; B60N2/1615; B60N2/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2149946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |