US1980221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake lining compound and method of manufacturing it
Assignee: WORLD BESTOS Corp
•
Filing: 1931-07-09
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Granted: 1934-11-13
•
Expires: 1951-07-09
Abstract
No abstract record available.
Inventors
- 👤 Nanfeldt William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:24
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G8/32; C08G14/00; C08G14/02; C08G14/04; C08G14/06; C08G8/04; C08G8/08; C08G8/30; C08K; C08K5/00; C08K5/04; C08K5/07; C08K5/13; C08K5/16; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31688
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 |