US3411706A
Expired / Lapsed
US
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Bearing durability enhancement device for turbocharger
Assignee: Wallace Murray Corp
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Filing: 1966-08-24
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Granted: 1968-11-19
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Expires: 1986-08-24
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Woollenweber
- 👤 Kurt A Beier
- 👤 Karl L Kleimenhagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:50
CPC Classifications
F; F16; F16C; F16C39/00; F16C39/02; F01; F01D; F01D25/00; F01D25/16; F01D25/166; F02; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12; F16C17/00; F16C17/12; F16C17/18; F16C17/20; F16C21/00; F16C17/02; F16C2360/00; F16C2360/23; F16C2360/24
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |