Patent US2317110A successfully refreshed from Google Patents.
US2317110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making brushes
Assignee: EIDP Inc
•
Filing: 1938-08-04
•
Granted: 1943-04-20
•
Expires: 1958-08-04
Abstract
No abstract record available.
Inventors
- 👤 Earl R Person
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14377; A; A46; A46B; A46B3/00; A46B3/04; A46D; A46D3/00; A46D3/005; B29C45/14385; B29L; B29L2031/00; B29L2031/42; B29L2031/425
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) | 1946-04-19 | 1946-10-19 | 1947-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-19 | 1950-10-19 | 1951-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-19 | 1954-10-19 | 1955-04-20 | $7700.00 | Window Closed / Lapsed |