US2585029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-powered turbosupercharger starter system for internalcombustion engines
Assignee: Individual
•
Filing: 1947-10-23
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Granted: 1952-02-12
•
Expires: 1967-10-23
Abstract
No abstract record available.
Inventors
- 👤 Nettel Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:28
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/04; F02B37/11; F02B37/12; F02B37/16; F02B37/164; F02B37/166; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |