US3363232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake lining wear detector
Assignee: GORDON T CAMPBELL ARROW TRANSF
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Filing: 1965-09-20
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Granted: 1968-01-09
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Mizsak Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:50
CPC Classifications
F; F16; F16D; F16D66/00; F16D66/02; F16D66/021; F16D66/022; F16D66/023; F16D66/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
BRAKE LINING WEAR DETECTION APPARATUS FOR A BRAKE HAVING AN ELECTRO-CONDUCTIVE ROTATABLE DRUM AND BRAKE LINING CARRYING SHOE, RADIALLY MOVABLE, WHEN THE BRAKE IS OPERATED, INTO FRICTIONAL ENGAGEMENT WITH THE DRUM COMPRISING A FEELER HAVING AN ELONGATED RESILIENT NONCONDUCTIVE BODY PORTION AND A LATERALLY EXTENDING ELECTROCONDUCTIVE TIP PORTION AT ONE END, MEANS FOR RIGIDLY SECURING THE FEELER AT ITS OTHER END TO A SHOE IN A POSITION IN WHICH THE TIP PORTION THEREOF NORMALLY EXTENDS RADIALLY OUTWARDLY BESIDE THE BRAKE LINING, MEANS FOR MOVING THE
Claim 2
Dependent Claim
85 words
BRAKE LINING WEAR DETECTION APPARATUS FOR A BRAKE HAVING AN ELECTRO-CONDUCTIVE ROTATABLE DRUM AND BRAKE LINING CARRYING SHOE, RADIALLY MOVABLE, WHEN THE BRAKE IS OPERATED, INTO FRICTIONAL ENGAGEMENT WITH THE DRUM COMPRISING A FEELER HAVING AN ELONGATED RESILIENT NONCONDUCTIVE BODY PORTION AND A LATERALLY EXTENDING ELECTROCONDUCTIVE TIP PORTION AT ONE END, MEANS FOR RIGIDLY SECURING THE FEELER AT ITS OTHER END TO A SHOE IN A POSITION IN WHICH THE TIP PORTION THEREOF NORMALLY EXTENDS RADIALLY OUTWARDLY BESIDE THE BRAKE LINING, MEANS FOR MOVING THE
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |