Patent US1779629A successfully refreshed from Google Patents.
US1779629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction differential
Assignee: International Motor Co
•
Filing: 1930-03-19
•
Granted: 1930-10-28
•
Expires: 1950-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Lyman C Josephs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:06
CPC Classifications
B; B60; B60B; B60B11/00; F; F16; F16H; F16H48/00; F16H48/20; F16H2048/201
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-10-27 | 1934-04-28 | 1934-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-10-27 | 1938-04-28 | 1938-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-10-27 | 1942-04-28 | 1942-10-28 | $7700.00 | Window Closed / Lapsed |