US3142364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air circulating brake shield
Assignee: Individual
•
Filing: 1963-02-18
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Granted: 1964-07-28
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Mikkelson Clarence Melvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:41
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/10; F16D65/78; F16D65/82; F16D65/827; F16D51/00; F16D2051/001; F16D2051/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN COMBINATION WITH A VEHICLE HAVING A ROTATABLE AXLE, A BRAKE DRUM CARRIED THEREBY, A STATIONARY AXLE HOUSING AND A CARRIER PLATE CARRIED BY SAID AXLE HOUSING, SAID BRAKE DRUM HAVING AN ANNULAR GROOVE ABOUT THE PERIPHERY AND SAID PLATE HAVING A FLANGE EXTENDING IN SAID GROOVE BUT SPACED FROM THE WALLS THEROF, AN AIR CIRCULATING BRAKE SHIELD COMPRISING A RING HAVING A GENERALLY U-SHAPED CROSS-SECTIONAL CONFIGURATION INCLUDING AN INNER WALL ENGAGING CLOSELY ABOUT SAID FLANGE ON SAID CARRIER PLATE, A BIGHT, A RELATIVELY SHORT OUTER WALL AND AN ANNULAR FLANGE EXTENDING FROM THE OUTER END OF SAID INNER WALL INWARDLY OVERLYING THE EDGE OF THE FLANGE ON SAID CARRIER PLATE, SAID BIGHT HAVING A FIRST SERIES OF LOUVERS THEREON COMPRISING AN AIR INLET AND A SECOND SERIES OF LOUVERS THEREON COMPRISING AN AIR OUTLET, WHEREIN EACH LOUVER OF EACH SERIES OF LOUVERS COMPRISES AN OUTWARDLY EXTENDING PROJECTION OVERLYING AN OPENING, EACH PROJECTION EXTENDING FROM A LINE PARALLEL TO THE VERTICAL AXIS OF A CARRIER PLATE, THE FIRST
Claim 2
Dependent Claim
168 words
IN COMBINATION WITH A VEHICLE HAVING A ROTATABLE AXLE, A BRAKE DRUM CARRIED THEREBY, A STATIONARY AXLE HOUSING AND A CARRIER PLATE CARRIED BY SAID AXLE HOUSING, SAID BRAKE DRUM HAVING AN ANNULAR GROOVE ABOUT THE PERIPHERY AND SAID PLATE HAVING A FLANGE EXTENDING IN SAID GROOVE BUT SPACED FROM THE WALLS THEROF, AN AIR CIRCULATING BRAKE SHIELD COMPRISING A RING HAVING A GENERALLY U-SHAPED CROSS-SECTIONAL CONFIGURATION INCLUDING AN INNER WALL ENGAGING CLOSELY ABOUT SAID FLANGE ON SAID CARRIER PLATE, A BIGHT, A RELATIVELY SHORT OUTER WALL AND AN ANNULAR FLANGE EXTENDING FROM THE OUTER END OF SAID INNER WALL INWARDLY OVERLYING THE EDGE OF THE FLANGE ON SAID CARRIER PLATE, SAID BIGHT HAVING A FIRST SERIES OF LOUVERS THEREON COMPRISING AN AIR INLET AND A SECOND SERIES OF LOUVERS THEREON COMPRISING AN AIR OUTLET, WHEREIN EACH LOUVER OF EACH SERIES OF LOUVERS COMPRISES AN OUTWARDLY EXTENDING PROJECTION OVERLYING AN OPENING, EACH PROJECTION EXTENDING FROM A LINE PARALLEL TO THE VERTICAL AXIS OF A CARRIER PLATE, THE FIRST
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |