US2879872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed range drive unit
Assignee: Individual
•
Filing: 1956-04-12
•
Granted: 1959-03-31
•
Expires: 1976-04-12
Abstract
No abstract record available.
Inventors
- 👤 Cornelius W Van Ranst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/06; F16D43/08; F16D43/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1189176A
Cited
US1039305A
Cited
US1380823A
Cited
US1928301A
Cited
DE579061C
Cited
US2054377A
Cited
US2079724A
Cited
US2432591A
Cited
US2684743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |