US3623205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite bearing structure
Assignee: Curtiss Wright Corp
•
Filing: 1969-12-24
•
Granted: 1971-11-30
•
Expires: 1989-12-24
Abstract
Abstract A JOURNAL BEARING STRUCTURE IN WHICH A BASE METAL MEMBER HAS A SILVER HEAT-CONDUCTING AND FATIGUE-RESISTANT INTERMEDIATE LAYER AND A BEARING SURFACE OF LEAD-TIN ALLOY, WITH A PURE TIN BARRIER LAYER BETWEEN THE LEAD-TIN ALLOY AND THE SILVER TO CONTROL DIFFUSION AND MIGRATION OF THE TIN FROM THE ALLOY IN ORDER TO MAINTAIN CORROSION RESISTANCE OF THE BEARING SURFACE.
Inventors
- 👤 Bruce E Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:58
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12687; Y10T428/12708; Y10T428/12715; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/12951; Y10T428/12972; Y10T428/12986
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |