US2885020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic type vehicle power steering device
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1953-11-09
•
Granted: 1959-05-05
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 Edward J Herbenar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:30
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1876104A
Cited
US1859333A
Cited
US2020951A
Cited
US2151998A
Cited
US2230361A
Cited
US2447815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |