US3120882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake rotor
Assignee: Amsted Industries Inc
•
Filing: 1962-05-31
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Granted: 1964-02-11
•
Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Maloney Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:08
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/12; F16D65/125; F16D65/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A BRAKE ROTOR MADE FROM DUCTILE IRON CONTAINING TOTAL CARBON, 3.25-3.75%; SILICON, 2.00-2.60%; MAGANESE .20-.60%; PHOSPHOROUS, .16% MAXIMUM; SULPHUR, .02% MAXIMUM; NICKEL, .50-1.50%; COPPER, .10-.50%.
Claim 2
Dependent Claim
25 words
A BRAKE ROTOR MADE FROM DUCTILE IRON CONTAINING TOTAL CARBON, 3.25-3.75%; SILICON, 2.00-2.60%; MAGANESE .20-.60%; PHOSPHOROUS, .16% MAXIMUM; SULPHUR, .02% MAXIMUM; NICKEL, .50-1.50%; COPPER, .10-.50%.
References Cited (Backward Citations)
US2775322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |