US3057439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic brake adjustment
Assignee: Rockwell-Standard Corp
•
Filing: 1959-05-07
•
Granted: 1962-10-09
•
Expires: 1979-05-07
Abstract
No abstract record available.
Inventors
- 👤 Bryan E House
- 👤 James C Cumming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:41
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D65/546
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1825555A
Cited
US2196137A
Cited
US2273223A
Cited
US2386913A
Cited
US2570398A
Cited
US2861657A
Cited
US2789666A
Cited
US2870877A
Cited
GB812003A
Cited
US2875860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |