USRE30333F1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ebullient cooled turbocharger bearing housing
Assignee: Caterpillar Inc
•
Filing: 1979-01-29
•
Granted: 1987-03-03
•
Expires: 1999-01-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:00
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/08; F01D25/12; F01D25/125; F02; F02B; F02B39/00; F02B39/005; F05; F05D; F05D2220/00; F05D2220/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-03-02 | 1990-09-01 | 1991-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-03-02 | 1994-09-01 | 1995-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-03-02 | 1998-09-01 | 1999-03-03 | $7700.00 | Window Closed / Lapsed |