US2911229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for varying the steerable wheel tread of vehicles
Assignee: Allis Chalmers Corp
•
Filing: 1956-10-18
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Granted: 1959-11-03
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Expires: 1976-10-18
Abstract
No abstract record available.
Inventors
- 👤 Walter F Strehlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:42
CPC Classifications
B; B60; B60B; B60B35/00; B60B35/003; B60B35/02; B60B35/10; B60B35/1009; B60B35/1018; B60B35/1072; B60B35/109; B62; B62D; B62D7/00; B60B2310/00; B60B2310/30; B60B2310/302; B60B2310/305; B60B2310/306; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029540A
Cited
US2173419A
Cited
US2337615A
Cited
US2362930A
Cited
US2650100A
Cited
US2750199A
Cited
US2788858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |