US3477983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction elements
Assignee: PepsiAmericas Inc
•
Filing: 1966-06-23
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Granted: 1969-11-11
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Expires: 1986-06-23
Abstract
No abstract record available.
Inventors
- 👤 Emil C Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:47
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/021; F16D69/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
AN AUTOMOTIVE BRAKE LINING COMPRISING A HEAT RESISTANT ORGANIC BINDER AND INORGANIC FILLERS INCORPORATED THEREIN, AND CONTAINING CUPRIC SULFIDE IN AN AMOUNT SUFFICIENT TO IMPROVE THE RECOVERY PROPERTIES AND FRICTIONAL CHARACTERISTICS OF THE COMPOSITION.
Claim 2
Dependent Claim
34 words
AN AUTOMOTIVE BRAKE LINING COMPRISING A HEAT RESISTANT ORGANIC BINDER AND INORGANIC FILLERS INCORPORATED THEREIN, AND CONTAINING CUPRIC SULFIDE IN AN AMOUNT SUFFICIENT TO IMPROVE THE RECOVERY PROPERTIES AND FRICTIONAL CHARACTERISTICS OF THE COMPOSITION.
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |