US3398246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake wear alert device
Assignee: Individual
•
Filing: 1966-06-29
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Granted: 1968-08-20
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Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Linet William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:47
CPC Classifications
H; H01; H01H; H01H35/00; F; F16; F16D; F16D66/00; F16D66/02; F16D66/021; F16D66/022; F16D66/023; F16D66/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A BRAKE WEAR ALERT DEVICE FOR A VEHICLE INCLUDING, A BRAKE DRUM AND A BRAKE SHOE WITH A BRAKE LINING CARRIED ON THE SHOE IN CONFRONTING RELATION TO THE BRAKE DRUM AND MEANS TO RECIPROCALLY MOVE THE LINING OF THE SHOE INTO AND OUT OF HIGH FRICTION-PRODUCING ENGAGEMENT WITH THE SHOE; AND A SWITCH ARM CARRIED IN THE SHOE AND LINING AND INCLUDING A HEADED PLUG HAVING A STEM WITH A CENTRAL AXIAL BORE THERETHROUGH AND A CROSS BORE IN THE HEAD AND A CONDUCTOR PIN IN THE AXIAL BORE WITH ONE END EXTENDING OUTWARDLY OF THE DISTAL END OF THE STEM, AND A CONDUCTOR MEANS CONNECTED THROUGH THE CROSS BORE TO THE CONDUCTOR PIN AND HAVING CONNECTOR MEANS ON THE REMOTE END THEREOF WITH THE PORTION OF THE CONDUCTOR MEANS EXTERIOR OF THE PLUG BEING INSULATED; AND SAID SHOE HAVING A THROUGH HOLE SIZED TO SNUGLY PERMIT PASSAGE OF THE STEM THERETHROUGH WITH THE PIN PROJECTING INTO THE LINER.
Claim 2
Dependent Claim
160 words
A BRAKE WEAR ALERT DEVICE FOR A VEHICLE INCLUDING, A BRAKE DRUM AND A BRAKE SHOE WITH A BRAKE LINING CARRIED ON THE SHOE IN CONFRONTING RELATION TO THE BRAKE DRUM AND MEANS TO RECIPROCALLY MOVE THE LINING OF THE SHOE INTO AND OUT OF HIGH FRICTION-PRODUCING ENGAGEMENT WITH THE SHOE; AND A SWITCH ARM CARRIED IN THE SHOE AND LINING AND INCLUDING A HEADED PLUG HAVING A STEM WITH A CENTRAL AXIAL BORE THERETHROUGH AND A CROSS BORE IN THE HEAD AND A CONDUCTOR PIN IN THE AXIAL BORE WITH ONE END EXTENDING OUTWARDLY OF THE DISTAL END OF THE STEM, AND A CONDUCTOR MEANS CONNECTED THROUGH THE CROSS BORE TO THE CONDUCTOR PIN AND HAVING CONNECTOR MEANS ON THE REMOTE END THEREOF WITH THE PORTION OF THE CONDUCTOR MEANS EXTERIOR OF THE PLUG BEING INSULATED; AND SAID SHOE HAVING A THROUGH HOLE SIZED TO SNUGLY PERMIT PASSAGE OF THE STEM THERETHROUGH WITH THE PIN PROJECTING INTO THE LINER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |