Patent US2473646A successfully refreshed from Google Patents.
US2473646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expander tube for brakes
Assignee: Goodrich Corp
•
Filing: 1944-11-27
•
Granted: 1949-06-21
•
Expires: 1964-11-27
Abstract
No abstract record available.
Inventors
- 👤 Hollerith Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:23
CPC Classifications
F; F16; F16D; F16D51/00; F16D51/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US170155A
Cited
US789689A
Cited
US1089650A
Cited
US1260284A
Cited
US1585837A
Cited
FR733564A
Cited
US2243229A
Cited
US2185250A
Cited
US2256431A
Cited
US2377170A
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 |