US3606665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of restoring worn brake surfaces
Assignee: Individual
•
Filing: 1969-09-11
•
Granted: 1971-09-21
•
Expires: 1989-09-11
Abstract
Abstract WORN BRAKE DRUMS OR DISCS ARE REBUILT BY SPRAYING THE WORN BRAKE-SHOE ENGAGING SURFACES WITH A MIXTURE OF MOLTEN COPPER AND STEEL TO FORM A LAYER OF A THICKNESS AT LEAST THAT OF THE MATERIAL WORN AWAY OR IF MORE, IT IS MACHINED TO THE PROPER DIMENSION. NEW BRAKE DRUMS AS FURNISHED BY THE MANUFACTURER MAY ALSO BE PROVIDED WITH A BRAKING SURFACE ACCORDING TO THE ABOVE METHOD.
Inventors
- 👤 Harold Glucoft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:00
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/10; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |