US2656181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle spring rearching means
Assignee: Individual
•
Filing: 1950-12-26
•
Granted: 1953-10-20
•
Expires: 1970-12-26
Abstract
No abstract record available.
Inventors
- 👤 August R Hellwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:56
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/02; F; F16; F16F; F16F1/00; F16F1/02; F16F1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1835134A
Cited
US2205086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |