US2434489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual throttle control for internalcombustion engine power plants
Assignee: HIGGINS IND Inc
•
Filing: 1944-11-03
•
Granted: 1948-01-13
•
Expires: 1964-11-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Dugas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:03
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1728346A
Cited
US1247299A
Cited
US1620763A
Cited
US1663413A
Cited
US1897357A
Cited
US2115878A
Cited
US2035829A
Cited
US2128165A
Cited
US2171456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |