Patent US1234490A successfully refreshed from Google Patents.
US1234490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring suspension for vehicles.
Assignee: Individual
•
Filing: 1917-03-27
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Granted: 1917-07-24
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Expires: 1937-03-27
Abstract
No abstract record available.
Inventors
- 👤 James Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/02; B60G11/10; B60G11/113
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) | 1920-07-23 | 1921-01-22 | 1921-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-07-23 | 1925-01-22 | 1925-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-07-23 | 1929-01-22 | 1929-07-24 | $7700.00 | Window Closed / Lapsed |