US2687189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power braking system
Assignee: Wagner Electric Corp
•
Filing: 1949-10-13
•
Granted: 1954-08-24
•
Expires: 1969-10-13
Abstract
No abstract record available.
Inventors
- 👤 Schnell Steve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:44
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB198007A
Cited
US1921590A
Cited
US1997062A
Cited
US2318756A
Cited
US2275697A
Cited
US2381989A
Cited
US2393524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |