Patent US2371121A successfully refreshed from Google Patents.
US2004267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for impregnating brake linings
Assignee: WORLD BESTOS Corp
•
Filing: 1930-12-29
•
Granted: 1935-06-11
•
Expires: 1950-12-29
Abstract
No abstract record available.
Inventors
- 👤 Carl P Brockway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:22
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D06B3/12; D06B23/00; D06B23/02; D06B23/026; D06B2700/00; D06B2700/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-06-10 | 1938-12-10 | 1939-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-06-10 | 1942-12-10 | 1943-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-06-10 | 1946-12-10 | 1947-06-11 | $7700.00 | Window Closed / Lapsed |