US3057436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for lubrication of engine turbochargers
Assignee: Caterpillar Inc
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Filing: 1960-09-01
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Granted: 1962-10-09
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Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Wayne D Jacobson
- 👤 Sterling R Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:07
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F01D25/20; F01M; F01M1/00; F01M1/12; F02; F02B; F02B39/00; F02B39/14
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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |