US2851131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel structure
Assignee: ZF Active Safety US Inc
•
Filing: 1954-02-15
•
Granted: 1958-09-09
•
Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Hibbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:26
CPC Classifications
B; B60; B60B; B60B7/00; B60B7/06; B60B7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1665437A
Cited
DE557477C
Cited
US1958484A
Cited
US2231931A
Cited
US2312159A
Cited
US2754942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |