Patent US3502180A successfully refreshed from Google Patents.
US3502180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic device for adjusting brake clearance for vehicles
Assignee: Aisin Corp
•
Filing: 1967-12-21
•
Granted: 1970-03-24
•
Expires: 1987-12-21
Abstract
No abstract record available.
Inventors
- 👤 Shigeo Aiki
- 👤 Tatsumi Torii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:05
CPC Classifications
F; F16; F16D; F16D66/00; F16D66/02; F16D65/00; F16D65/14; F16D65/16; F16D65/22; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |