Patent FR437568A successfully refreshed from Google Patents.
Patent US3761256A successfully refreshed from Google Patents.
US3761256A
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US
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Friction articles and processes for manufacturing and mounting same
Assignee: Bendix Corp
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Filing: 1971-06-01
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Granted: 1973-09-25
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Expires: 1991-06-01
Abstract
Abstract A BRAKE OR CLUTCH FRICTION COMPOSITION COMPRISED OF A COPPER BASE FRICTION MATERIAL METALLURGICALLY BONDED TO A STEEL BACKING PLATE.
Inventors
- 👤 C Strom
- 👤 Blanc L Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:35
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/04; B; B23; B23K; B23K1/00; F16D2069/0425; F16D2069/045; F16D2069/0458; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/12229; Y10T428/12236; Y10T428/12243
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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |