US2180860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle suspension
Assignee: Bridgestone Firestone Inc
•
Filing: 1937-09-17
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Granted: 1939-11-21
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Expires: 1957-09-17
Abstract
No abstract record available.
Inventors
- 👤 Brown Roy Wilbur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:07
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/26; B60G11/27; B60G9/00; B60G9/02; B60G2200/00; B60G2200/30; B60G2200/314; B60G2200/315; B60G2202/00; B60G2202/10; B60G2202/15; B60G2202/152; B60G2202/1524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-11-20 | 1943-05-22 | 1943-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-20 | 1947-05-22 | 1947-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-20 | 1951-05-22 | 1951-11-21 | $7700.00 | Window Closed / Lapsed |