US3343362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing members having a plurality of coatings
Assignee: Dana Inc
•
Filing: 1965-01-25
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Granted: 1967-09-26
•
Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Dallas F Lunsford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:47
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; C; C23; C23C; C23C28/00; C23C28/30; C23C28/32; C23C28/321; C23C8/00; C23C8/06; C23C8/08; C23C8/10; C23C8/16; C23C8/18; D; D01; D01H; D01H7/00; D01H7/02; D01H7/52; D01H7/60; D01H7/602; F16C2340/00; F16C2340/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
111 words
A BEARING MEMBER COMPRISING A BASE PORTION FORMED FROM FERROUS METAL AND HAVING A WEARING SURFACE, A FIRST COATING INTIMATELY SECURED TO AT LEAST A PORTION OF SAID WEARING SURFACE AND HAVING A POROUS CRYSTALINE STRUCTURE SELECTED FROM THE GROUP CONSISTING OF FERRIC OXIDE, FERROSOFERRIC OXIDE, A COMPOSITE OF FERRIC AND FERROSOFERRIC OXIDE AND A COMPOSITE OF FERROUS OXIDE AND FERROSOFERRIC OXIDE AND A SECOND ANTI-FRICTION METALLIC COATING INTIMATELY SECURED TO SAID FIRST COATING AT LEAST AT SAID PORTION OF SAID WEAR SURFACE SELECTED FROM A GROUP CONSISTING OF LEAD, COPPER, TIN, CADMIUM AND ALLOYS THEREOF, WHEREBY SAID ANTI-FRICTION METALLIC COATING IS INCOMPLETELY REMOVED DURING INITIAL OPERATION OF SAID BEARING MEMBER.
Claim 2
Dependent Claim
111 words
A BEARING MEMBER COMPRISING A BASE PORTION FORMED FROM FERROUS METAL AND HAVING A WEARING SURFACE, A FIRST COATING INTIMATELY SECURED TO AT LEAST A PORTION OF SAID WEARING SURFACE AND HAVING A POROUS CRYSTALINE STRUCTURE SELECTED FROM THE GROUP CONSISTING OF FERRIC OXIDE, FERROSOFERRIC OXIDE, A COMPOSITE OF FERRIC AND FERROSOFERRIC OXIDE AND A COMPOSITE OF FERROUS OXIDE AND FERROSOFERRIC OXIDE AND A SECOND ANTI-FRICTION METALLIC COATING INTIMATELY SECURED TO SAID FIRST COATING AT LEAST AT SAID PORTION OF SAID WEAR SURFACE SELECTED FROM A GROUP CONSISTING OF LEAD, COPPER, TIN, CADMIUM AND ALLOYS THEREOF, WHEREBY SAID ANTI-FRICTION METALLIC COATING IS INCOMPLETELY REMOVED DURING INITIAL OPERATION OF SAID BEARING MEMBER.
Claim 3
Dependent Claim
129 words
A SPINNING RING COMPRISING A BASE PORTION FORMED FROM FERROUS METAL AND HAVING AN ANNULAR BODY PORTION AND AN ANNULAR FLANGE FORMED COAXIALLY AND INTEGRALLY WITH SAID SPINNING RING, SAID FLANGE FORMING A WEARING SURFACE, A FIRST COATING INTIMATELY ATTACHED TO SAID FLANGE SELECTED FROM A GROUP CONSISTING OF FERRIC OXIDE, FERROSOFERRIC OXIDE, A COMPOSITE OF FERRIC AND FERROSOFERRIC OXIDE AND A COMPOSITE OF FERROUS OXIDE AND FERROSOFERRIC OXIDE A SECOND ANTI-FRICTION METALLIC COATING DEPOSITED ON SAID FIRST COATING TO FORM AN EXTERNAL SURFACE ON SAID SPINNING RING AND COVERING THE FIRST COATING ON AT LEAST SAID FLANGE, SAID SECOND COATING SELECTED FROM A GROUP CONSISTING OF LEAD, COPPER, TIN, CADMIUM AND ALLOYS THEREOF, WHEREBY SAID ANTI-FRICTION METALLIC COATING IS INCOMPLETELY REMOVED DURING INITIAL OPERATION OF SAID SPINNING RING.
Claim 4
Dependent Claim
129 words
A SPINNING RING COMPRISING A BASE PORTION FORMED FROM FERROUS METAL AND HAVING AN ANNULAR BODY PORTION AND AN ANNULAR FLANGE FORMED COAXIALLY AND INTEGRALLY WITH SAID SPINNING RING, SAID FLANGE FORMING A WEARING SURFACE, A FIRST COATING INTIMATELY ATTACHED TO SAID FLANGE SELECTED FROM A GROUP CONSISTING OF FERRIC OXIDE, FERROSOFERRIC OXIDE, A COMPOSITE OF FERRIC AND FERROSOFERRIC OXIDE AND A COMPOSITE OF FERROUS OXIDE AND FERROSOFERRIC OXIDE A SECOND ANTI-FRICTION METALLIC COATING DEPOSITED ON SAID FIRST COATING TO FORM AN EXTERNAL SURFACE ON SAID SPINNING RING AND COVERING THE FIRST COATING ON AT LEAST SAID FLANGE, SAID SECOND COATING SELECTED FROM A GROUP CONSISTING OF LEAD, COPPER, TIN, CADMIUM AND ALLOYS THEREOF, WHEREBY SAID ANTI-FRICTION METALLIC COATING IS INCOMPLETELY REMOVED DURING INITIAL OPERATION OF SAID SPINNING RING.
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |