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US3256049A Expired / Lapsed US ⏱️ 0.0 years remaining

Sliding surface bearing

Assignee: Clevite Industries Inc
•
Filing: 1963-09-13
•
Granted: 1966-06-14
•
Expires: 1983-09-13
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Abstract

No abstract record available.

Inventors

  • 👤 Robert H Josephson
  • 👤 John E Stricklin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:25
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C33/14; F16C2220/00; F16C2220/20; F16C2220/40; F16C2220/44; F16C2223/00; F16C2223/02; F16C2223/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 166 words
A SELF-CONTAINED SLIDING SURFACE SUBSTANTIALLY HYDRODYNAMICALLY LUBRICATED BEARING FOR USE WITH AN AXIALLY EXTENDING SHAFT COMPRISING, IN COMBINATION: AN INNER BEARING RACE; AN ANNULAR OUTER BEARING RACE AROUND AND SPACED FROM SAID INNER BEARING RACE; A RING OF HEAT-CONDUCTING METALLIC BASE MATERIAL IN NON-SLIDING ENGAGEMENT WITH SAID OUTER BEARING RACE AND HAVING AT LEAST A FACE OF BEARING MATERIAL IN CLOSELY SPACED, SLIDING SURFACE, BEARING INTERFACE ENGAGEMENT WITH A RACEWAY AREA OF SAID INNER BEARING RACE; SAID RING OF METALLIC BASE MATERIAL FORMING A SUBSTANTIALLY SOLID HEAT TRANSFER PATH FROM SAID BEARING INTERFACE TO SAID OUTER RACE; LUBRICANT SLOT MEANS IN SAID RING OF METALLIC BASE MATERIAL, SAID SLOT MEANS BEING LOCATED ADJACENT SAID BEARING INTERFACE AND EXTENDING COMPLETELY ACROS SAID BEARING INTERFACE, SEALING MEANS CONNECTED BETWEEN SAID INNER AND OUTER RACE FOR SUBSTANTIALLY SEALING SAID BEARING INTERFACE AGAINST DIRT, AND LUBRICANT MEANS CONTAINED WITHIN SAID BEARING BY SAID SEALING MEANS AND LOCATED AT LEAST IN PART WITHIN SAID LUBRICANT SLOTS FOR LUBRICATING SAID BEARING INTERFACE.
Claim 2
Dependent Claim 166 words
A SELF-CONTAINED SLIDING SURFACE SUBSTANTIALLY HYDRODYNAMICALLY LUBRICATED BEARING FOR USE WITH AN AXIALLY EXTENDING SHAFT COMPRISING, IN COMBINATION: AN INNER BEARING RACE; AN ANNULAR OUTER BEARING RACE AROUND AND SPACED FROM SAID INNER BEARING RACE; A RING OF HEAT-CONDUCTING METALLIC BASE MATERIAL IN NON-SLIDING ENGAGEMENT WITH SAID OUTER BEARING RACE AND HAVING AT LEAST A FACE OF BEARING MATERIAL IN CLOSELY SPACED, SLIDING SURFACE, BEARING INTERFACE ENGAGEMENT WITH A RACEWAY AREA OF SAID INNER BEARING RACE; SAID RING OF METALLIC BASE MATERIAL FORMING A SUBSTANTIALLY SOLID HEAT TRANSFER PATH FROM SAID BEARING INTERFACE TO SAID OUTER RACE; LUBRICANT SLOT MEANS IN SAID RING OF METALLIC BASE MATERIAL, SAID SLOT MEANS BEING LOCATED ADJACENT SAID BEARING INTERFACE AND EXTENDING COMPLETELY ACROS SAID BEARING INTERFACE, SEALING MEANS CONNECTED BETWEEN SAID INNER AND OUTER RACE FOR SUBSTANTIALLY SEALING SAID BEARING INTERFACE AGAINST DIRT, AND LUBRICANT MEANS CONTAINED WITHIN SAID BEARING BY SAID SEALING MEANS AND LOCATED AT LEAST IN PART WITHIN SAID LUBRICANT SLOTS FOR LUBRICATING SAID BEARING INTERFACE.

References Cited (Backward Citations)

US718141A Cited
US881471A Cited
US2127854A Cited
US2611665A Cited
US2704230A Cited
US2764433A Cited
US2804679A Cited
US3049789A Cited
US3086826A Cited
US3118710A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-13 1969-12-13 1970-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-13 1973-12-13 1974-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-13 1977-12-13 1978-06-14 $7700.00 Window Closed / Lapsed

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