US2473803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master cylinder
Assignee: Hydraulic Brake Co
•
Filing: 1945-06-01
•
Granted: 1949-06-21
•
Expires: 1965-06-01
Abstract
No abstract record available.
Inventors
- 👤 Brie Ludger E La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:28
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/165
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
AT107546B
Cited
US1865561A
Cited
US2102834A
Cited
US1939788A
Cited
US2009105A
Cited
US2104735A
Cited
US2197012A
Cited
US2195244A
Cited
GB490779A
Cited
GB506972A
Cited
US2232350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |