US2590134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: CONTINENTAL SUPPLY Co
•
Filing: 1946-03-14
•
Granted: 1952-03-25
•
Expires: 1966-03-14
Abstract
No abstract record available.
Inventors
- 👤 John C Slonneger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:36
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/02; F02D2009/0201; F02D2009/0203; F02D2009/0218
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |