US3585102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid seating friction elements
Assignee: Individual
•
Filing: 1968-08-07
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Granted: 1971-06-15
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Expires: 1988-08-07
Abstract
Abstract NOVEL COMPOSITION FRICTION ELEMENTS ARE DISCLOSED HAVING THE ABILITY TO QUICKLY SEAT-IN AND CONFORM TO THE CONTOUR OF AN IRREGULAR BRAKING SURFACE WITHOUT FADING OR SACRIFICING BRAKING LIFE. THE NOVEL ELEMENTS COMPRISE A BASE OF CONVENTIONAL FRICTION MATERIAL HAVING A FRICTIONAL CONTACTING SURFACE TREATED WITH A SECOND FRICTION MATERIAL HAVING A HIGHER COEFFICIENT OF FRICTION AND A LOWER RESISTANCE TO WEAR THAN THE BASE MATERIAL.
Inventors
- 👤 Bernard Lee Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:51
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/021; F16D69/022; F16D2069/002; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24405; Y10T428/24413; Y10T428/25; Y10T428/256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |