US2679727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power unit
Assignee: Detroit Harvester Co
•
Filing: 1951-04-16
•
Granted: 1954-06-01
•
Expires: 1971-04-16
Abstract
No abstract record available.
Inventors
- 👤 Stewart B Mcleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:23
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1672561A
Cited
US2061530A
Cited
US2020618A
Cited
US1955154A
Cited
US2196919A
Cited
US2410978A
Cited
US2467509A
Cited
US2554930A
Cited
US2506008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |