Patent US2912068A successfully refreshed from Google Patents.
US2912068A
Expired / Lapsed
US
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Expanding wheel type brake
Assignee: Rockwell-Standard Corp
•
Filing: 1953-05-22
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Granted: 1959-11-10
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Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 Bryan E House
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:20
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/04; F16D65/08; F16D65/09; F16D65/091; F16D51/00; F16D51/16; F16D51/18; F16D51/20; F16D51/22; F16D2051/001; F16D2051/003
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |