Patent US150376A successfully refreshed from Google Patents.
Patent US2845901A successfully refreshed from Google Patents.
Patent US4346901A successfully refreshed from Google Patents.
Patent EP0342627A2 successfully refreshed from Google Patents.
Patent US5072235A successfully refreshed from Google Patents.
Patent US2197142A successfully refreshed from Google Patents.
Patent US2396897A successfully refreshed from Google Patents.
US2396897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic braking system
Assignee: Individual
•
Filing: 1942-10-07
•
Granted: 1946-03-19
•
Expires: 1962-10-07
Abstract
No abstract record available.
Inventors
- 👤 Stelzer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:25
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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-03-18 | 1949-09-17 | 1950-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-18 | 1953-09-17 | 1954-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-18 | 1957-09-17 | 1958-03-19 | $7700.00 | Window Closed / Lapsed |