US3575787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic bearing-bushing material
Assignee: JPI Transportation Products Inc
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Filing: 1969-01-13
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Granted: 1971-04-20
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Expires: 1989-01-13
Abstract
Abstract A STEEL BACKED PLASTIC BEARING-BUSHING MATERIAL HAVING A POLYIMIDE BEARING SURFACE PROVIDED WITH CAVITIES WHICH ARE FILLED WITH POLYTETRAFLUORETHYLENE AND A METAL BEARING PHASE.
Inventors
- 👤 Thomas W Pietrocini
- 👤 Milton L Selker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:55
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/24; F16C33/06; F16C33/10; F16C33/1095; F16C33/20; F16C33/203; F16C33/205; F16C33/208; F16C17/00; F16C17/02; F16C2208/00; F16C2208/02; F16C2208/20; F16C2208/40; F16C2226/00; F16C2226/30; F16C2226/40; F16C2226/50; F16C2226/70; F16C2226/76; F16C2226/78; F16C2240/00; F16C2240/40; F16C2240/60; F16C33/046; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/31504; Y10T428/31678; Y10T428/31681
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |