US3074152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder metallurgy
Assignee: American Brake Shoe Co
•
Filing: 1957-04-11
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Granted: 1963-01-22
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Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 Howard B Huntress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:06
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; F; F16; F16D; F16D69/00; F16D69/02; F16D69/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A RIGID SELF-SUSTAINING FRICTION ELEMENT WEAR PART HAVING AT LEAST A WEAR FACE COMPRISED OF SINTERED POWDERED INTERMETALLIC-MATERIAL SELECTED FROM THE GROUP CONSISTING OF NICKEL ALUMINIDE AND MOLYBDENUM ALUMINIDE AS THE ESSENTIAL INGREDIENT, A BINDER METAL OF NICKEL BOND-
Claim 2
Dependent Claim
39 words
A RIGID SELF-SUSTAINING FRICTION ELEMENT WEAR PART HAVING AT LEAST A WEAR FACE COMPRISED OF SINTERED POWDERED INTERMETALLIC-MATERIAL SELECTED FROM THE GROUP CONSISTING OF NICKEL ALUMINIDE AND MOLYBDENUM ALUMINIDE AS THE ESSENTIAL INGREDIENT, A BINDER METAL OF NICKEL BOND-
References Cited (Backward Citations)
US2251410A
Cited
US2751668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |