US3511546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic bearing system providing axial self-adjustment
Assignee: US Philips Corp
•
Filing: 1968-05-06
•
Granted: 1970-05-12
•
Expires: 1988-05-06
Abstract
No abstract record available.
Inventors
- 👤 Everhardus Albertus Muijderman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:26
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/04; F16C17/08; F16C17/10; F16C17/102; F16C17/105; F16C17/26; F16C23/00; F16C23/02; F16C23/04; H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1672; H02K7/00; H02K7/08; H02K7/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1508085A
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US1478338A
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US1904392A
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US3154353A
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GB975076A
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US3238000A
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US3453032A
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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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |