Patent US2467560A successfully refreshed from Google Patents.
US2467560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic braking system
Assignee: WARNER AIRERAFT CORP
•
Filing: 1944-12-26
•
Granted: 1949-04-19
•
Expires: 1964-12-26
Abstract
No abstract record available.
Inventors
- 👤 Ludwig A Majneri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44; B64C25/48; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1938979A
Cited
US2009515A
Cited
US2306346A
Cited
US2148268A
Cited
US2213947A
Cited
US2312726A
Cited
US2254890A
Cited
US2331214A
Cited
US2367194A
Cited
US2394343A
Cited
US2366606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |