Patent US3444948A successfully refreshed from Google Patents.
US3444948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic follow-up for vehicle steering systems
Assignee: Caterpillar Inc
•
Filing: 1967-02-01
•
Granted: 1969-05-20
•
Expires: 1987-02-01
Abstract
No abstract record available.
Inventors
- 👤 Donald L Bianchetta
- 👤 John A Junck
- 👤 Joseph Kokaly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:01
CPC Classifications
B; B62; B62D; B62D12/00; B62D5/00; B62D5/06; B62D5/09; B62D5/093
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |