US2431883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction facing and method of producing it
Assignee: Federal Mogul Friction Products Ltd
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Filing: 1945-05-09
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Granted: 1947-12-02
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Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Morton Henry Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:30
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/027; B29C43/14; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/347; B29D; B29D99/00; B29D99/0082; F; F16; F16D; F16D69/00; F16D69/02; F16D69/021; F16D69/022; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/10; B29K2303/00; B29K2303/04; B29K2303/06; B29K2503/00; B29K2503/04; B29L; B29L2031/00; B29L2031/16; B29L2031/709; B29L2031/7096
Claims Analysis
Total Claims: 0
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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) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |