US3298476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc brake rotor
Assignee: ThyssenKrupp Budd Co
•
Filing: 1965-08-13
•
Granted: 1967-01-17
•
Expires: 1985-08-13
Abstract
No abstract record available.
Inventors
- 👤 John B Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:52
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/0006; F16D65/02; F16D65/12; F16D65/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A DISC BRAKE ROTOR COMPRISING A PAIR OF AXIALLY SPACED ANNULAR FRICTION PLATES, AND A PLURALITY OF CIRCUMFERENTIALLY SPACED BLADES INTERCONNECTING SAID FRICTION PLATES, THE CIRCUMFERENTIAL SPACING BETWEEN SAID BLADES BEING RANDOMIZED IN SERIES OF THREE OR MORE BLADES.
Claim 2
Dependent Claim
39 words
A DISC BRAKE ROTOR COMPRISING A PAIR OF AXIALLY SPACED ANNULAR FRICTION PLATES, AND A PLURALITY OF CIRCUMFERENTIALLY SPACED BLADES INTERCONNECTING SAID FRICTION PLATES, THE CIRCUMFERENTIAL SPACING BETWEEN SAID BLADES BEING RANDOMIZED IN SERIES OF THREE OR MORE BLADES.
References Cited (Backward Citations)
US2411067A
Cited
DE1038593B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |