US2830679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc brake assembly
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1955-04-12
•
Granted: 1958-04-15
•
Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Butler Henry James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:48
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/2245; F16D65/00; F16D65/78; F16D65/84; F16D65/847
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |