US3138224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake having means to indicate wear
Assignee: Individual
•
Filing: 1962-04-30
•
Granted: 1964-06-23
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Andrew J White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:09
CPC Classifications
F; F16; F16D; F16D66/00; F16D66/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A BRAKE ASSEMBLY COMPRISING A BRAKE DRUM, A BRAKE LINING NEXT TO SAID DRUM, A BRAKE SHOE INWARDLY OF SAID LINING, MEANS HOLDING SAID DRUM, LINING AND SHOE TOGETHER, SAID LINING HAVING A GROOVE EXTENDING INWARDLY FROM A SIDE EDGE THEREOF AND SPACED FROM THE OUTER EXTREMITY OF SAID LINING, AND COLORING MATERIAL IN SAID GROOVE.
Claim 2
Dependent Claim
56 words
A BRAKE ASSEMBLY COMPRISING A BRAKE DRUM, A BRAKE LINING NEXT TO SAID DRUM, A BRAKE SHOE INWARDLY OF SAID LINING, MEANS HOLDING SAID DRUM, LINING AND SHOE TOGETHER, SAID LINING HAVING A GROOVE EXTENDING INWARDLY FROM A SIDE EDGE THEREOF AND SPACED FROM THE OUTER EXTREMITY OF SAID LINING, AND COLORING MATERIAL IN SAID GROOVE.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |