US3781205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite bearings
Assignee: Garlock Inc
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Filing: 1970-02-02
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Granted: 1973-12-25
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Expires: 1990-02-02
Abstract
Abstract A COMPOSITE BEARING COMPRISING A BACKING MEMBER TO WHICH THERE IS SECURED A DIMENSIONALLY STABLE BEARING SURFACE LAYER COMPRISING A SOLID LUBRICANT SELECTED FROM THE GROUP CONSISTING OF THE SULFIDES, SELENIDES, AND TELLURIDES OF MOLYBDENUM, TUNGSTEN, AND TITANIUM, LEAD DIIODIDE, BORON NITRIDE, CARBON, GRAPHITE, AND POLYTETRAFLUOROETHYLENE AND FIBERS OF A MATERIAL CHARACTERIZED BY A HEAT DISTORTION TEMPERATURE EXCEEDING THAT OF POLYTETRAFLUOROETHYLENE AND SELECTED FROM THE CLASS CONSISTING OF AROMATIC POLYAMIDES, CARBON, GRAPHITE, AROMATIC POLYSUFONES, AROMATIC POLYIMIDES AND AROMATIC POLYESTER-IMIDES.
Inventors
- 👤 J Cairns
- 👤 N Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; C; C08; C08L; C08L81/00; C08L81/06
Claims Analysis
Total Claims: 0
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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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |