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US1980227A
Expired / Lapsed
US
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Friction facing and composition of matter
Assignee: Raybestos Manhattan Inc
•
Filing: 1933-12-22
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Granted: 1934-11-13
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Expires: 1953-12-22
Abstract
No abstract record available.
Inventors
- 👤 Repony Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:54
CPC Classifications
C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-11-12 | 1938-05-14 | 1938-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-12 | 1942-05-14 | 1942-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-12 | 1946-05-14 | 1946-11-13 | $7700.00 | Window Closed / Lapsed |