Patent US3213976A successfully refreshed from Google Patents.
US3213976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake protection mechanism
Assignee: Motors Liquidation Co
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Filing: 1963-12-10
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Granted: 1965-10-26
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Expires: 1983-12-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Yost
- 👤 Douglas J Wing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:09
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/10; F16D51/00; F16D2051/001; F16D2051/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A BRAKE ASSEMBLY COMPRISING, A BACKING PLATE AND A ROTATABLE DRUM HAVING A COOLING FLANGE EXTENDING RADIALLY BEYOND SAID BACKING PLATE AND A FLEXIBLE SEAL HAVING AN ANNULAR GROOVE THEREIN RECEIVING THE OUTER PERIPHERY OF SAID BACKING PLATE AND HAVING FLEXIBLE AND CONSUMABLE LIP MEANS EXTENDING TOWARD SAID BRAKE COOLING FLANGE, SAID LIP MEANS BEING INITIALLY ENGAGEABLE WITH SAID COOLING FLANGE AND ERODED UNDER BRAKE DRUM ROTATION TO ESTABLISH A MINIMUM CLEARANCE CONDITION AFTER A PERIOD OF OPERATION.
Claim 2
Dependent Claim
78 words
A BRAKE ASSEMBLY COMPRISING, A BACKING PLATE AND A ROTATABLE DRUM HAVING A COOLING FLANGE EXTENDING RADIALLY BEYOND SAID BACKING PLATE AND A FLEXIBLE SEAL HAVING AN ANNULAR GROOVE THEREIN RECEIVING THE OUTER PERIPHERY OF SAID BACKING PLATE AND HAVING FLEXIBLE AND CONSUMABLE LIP MEANS EXTENDING TOWARD SAID BRAKE COOLING FLANGE, SAID LIP MEANS BEING INITIALLY ENGAGEABLE WITH SAID COOLING FLANGE AND ERODED UNDER BRAKE DRUM ROTATION TO ESTABLISH A MINIMUM CLEARANCE CONDITION AFTER A PERIOD OF OPERATION.
References Cited (Backward Citations)
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Cited
US1995691A
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US2826441A
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US3005648A
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FR1226608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |